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when decluttering isn’t enough

2025-10-10 16:00:03

Reducing redundant elements in our visuals and moving beyond our tools' default settings almost always makes insights faster to retrieve. It’s such a critical part of clear communication that we dedicate an entire section of our workshops to it. 

However, we close that very same lesson with an important truth: decluttering alone isn’t enough. If a sub-optimal chart type is used or the critical message remains hidden, the audience may still walk away confused.

Today, let’s take a look at how much better a graph can look when it’s been decluttered—and then, how much stronger it can be when we prioritize our main message. 

This visual shows the status of work orders across four critical asset types within an engineering company. 

  • Along the horizontal axis, we see each of the four asset types: boiler feedwater pumps, high voltage substation switchgear, distributed control system, and pipe rack.

  • The primary (left) vertical axis of this dual-axis chart plots the absolute number of orders within an asset type, broken down by closed (blue bars) and open (orange).

  • The secondary vertical axis tracks the percentage of orders closed per asset type. The goal of this view is to help leadership see which asset areas are meeting order closure expectations and which require additional focus.

Everything our audience might want to know is present. But that’s part of the problem: there’s too much happening at once, and the dual axis makes it difficult to know what to focus on. Is the takeaway supposed to be the number of orders? Or the closure rate? Or both? 

Decluttering is a common and advisable first step 

As with most graphs that use primarily the default settings of a graphing tool, this one can be improved with some common decluttering techniques. Let’s do this now by taking the following steps (with some useful links to previous articles on these topics included):

  • Removing the chart border;

  • Adjusting the graph proportions;

  • Decreasing the white space between the bars;

  • Removing the data labels;

  • Formatting the axes: providing titles, using lighter formatting and adding axis lines and tick marks;

  • Moving the legend from the bottom of the view to the top, acting as a subtitle;

  • Rewriting and aligning the chart title

 
 

The combination of these changes helps to lighten the visual load and make it easier to focus on the data. Applying a similar combination of the steps referenced above works well in most situations and will almost always lead to an improvement. And if you’re short on time, even a quick round of decluttering can make a meaningful difference.

Make the message obvious by refining the graph

Even with these changes, it’s still challenging to make immediate observations about the information. At this point, we should think critically about the message we want to deliver and whether our graph types and design choices support that communication effectively.

Dual axes place a heavy burden on your audience

We’ve done our best to tidy the view, but any graph that incorporates dual axes requires an audience to expend a lot of mental energy, keeping track of the multiple metrics in the plot. 

Instead, consider exploring different ways to present this information. One way we can transition away from the combined axes is to pull the graphs apart vertically, leveraging the same horizontal axis across both views, but with each getting its own independent vertical y-axis.

 
 

Line graphs and categorical data rarely mix 

Having made this change, I’ve noticed something off. Lines work well for continuous data over time, but here we’re dealing with categorical data—the asset types. In this instance, joining the closure rates for each asset creates a relationship that doesn’t exist. To correct this, I’ll convert the line to individual bars, which will better represent this distinct, discrete data.

 
 

Finding the right level of detail can reveal the appropriate display type

Technically, that’s better, but something still feels off.  Maybe we’re still trying to show too much all at once. Do we need all this information? In those cases where we feel obliged to show all of the data we collected or analyzed, we sometimes wind up talking ourselves into creating needlessly busy visuals. Often, a subset or aggregation of that data would lead to a much clearer final product. 

Continuing to iterate, I’m going to drop the closure rate information. Then, I’ll switch from positioning the closed and open bars next to each other to stacking them on top of one another.

 
 

The stacked bar chart allows us to see total orders per asset while allowing for straightforward comparison of the closed orders for each asset type. Now that the order closed rate has been removed, we can be clear about the intention of this visual, and displaying only the relevant data reduces the cognitive effort required to understand the information.

Decide on one key takeaway that your graph will emphasize

In conversation with colleagues, we determined that the one thing our audience cares about the most is the closure rate within each individual asset type. Is this visual helping articulate the primary takeaway of that metric, which is that most maintenance orders for pumps have been closed (82%), while fewer than half of those for pipe racks have (42%)? We can see this at an absolute level, yes, but with teams monitoring these assets of markedly different sizes, showing the number of orders is likely not the right approach. 

With the original visual and closure rate line in mind, I’m inclined to explore a different view.

 
 

Switching to a 100% stacked bar chart now clearly shows the proportion of orders that have closed. At this stage, I also took the opportunity to switch to a horizontal orientation to ensure the category labels—which in the previous iterations were distracting and fell across a combination of one, two or three lines—sit neatly on a single line. Finally, I chose to order the data series in decreasing order of performance.

Use words and context to make your message unmistakable

The final view allows for immediate and accurate comparisons to be made. Now that I’ve landed on an appropriate chart type, the final step is to add elements that help frame and explain the data: a goal line of 80%, an observational takeaway to prime our audience with the key message behind the visual, and an open question to prompt discussion.

 
 

Unlike the original, the story is obvious: only the boiler feedwater pumps order closures are at an acceptable level, while the other asset types fall below appetite. Conversation can now turn to remedial efforts to expedite order closures in these areas.

Declutter in general, refine for your specific message and audience

Decluttering our visuals is always a great first step, and one in which a similar approach can safely be applied to most visuals.  For the strongest communication, however, decluttering alone isn’t enough. Removing redundant elements might help us see the data, but if the chart type itself isn’t aligned with the story; the ability to retrieve the insights quickly is compromised. Real success comes not just from sharpening up the original chart, but from rethinking how best to present the data, ensuring the main message you are looking to share is clearly accessible.

 
 

If you enjoy seeing how we help real teams improve their business communications via example, order our latest book: storytelling with data: before & after. Drawing on more than a decade of helping organizations and professionals transform their communications, the book features twenty powerful makeovers that turn ineffective charts into engaging visuals that captivate, inform, and drive smarter decisions.

calling all superfans…

2025-10-03 09:59:01

Over the past few weeks, in response to my posts about our newest book, it’s been amazing to hear how various titles from the SWD library have impacted your work and careers. My first book—storytelling with data—has inspired a passionate group of superfans who not only apply the lessons, but also share their passion for SWD with others.

If this sounds like you, I’d love to invite you to be part of something special.

Earlier this year, I revisited storytelling with data and have refreshed and augmented it, working with my publisher to craft a beautiful, fit-for-display 10th anniversary hardcover edition. It will be published on November 11th, ten years after the original bestseller was released, and features updated visuals and bonus content. I’m proud to celebrate a decade of data storytelling with this milestone publication.

I invite you to join our official team of superfans, helping to launch the 10-year anniversary edition (SWD10) into the world and join in the celebration. The role of a superfan is simple: share your genuine enthusiasm for SWD10 with your colleagues and network. I’ll make it easy by equipping you with content and ideas.

To become an official SWD10 superfan, preorder two copies of the 10th anniversary edition (one for you and one to share!) and fill out this form by October 10th.

As an SWD10 superfan, you’ll get some super special perks, including:

  • Weekly insider emails from me in October and November with never-before-seen content and easy-to-share prompts

  • Exclusive SWD10 swag (designed just for superfans!)

  • Automatic entry into weekly giveaways for storytelling with data gear

  • A front-row ticket to our virtual publication celebration

Thank you for helping me celebrate this anniversary and spread the power of effective data storytelling. I couldn’t do it without you!

*International readers: This edition is printing in the US, with availability in other countries to follow. If you preorder from outside the US, you can still participate fully in the SWD10 superfan program.

the audience will tell you

2025-09-25 21:11:12

 

 

What do dog training and data storytelling have in common? A lot, as it turns out.

For those who are hardcore SWD fans, you’ve probably seen me reference dogs before. I shared my dog Nemo’s progress in this makeover article, and I also share a dog-themed makeover in our new book, storytelling with data: before and after, which includes 20 examples of how we’ve helped our clients overcome common data communication challenges.

What you may not know is that dogs occupy most of my time when my brain is not focused on data. I’ve recently started an apprentice program on the weekends to become a dog trainer. This past week, while working on a particular skill, I asked my teacher if I was doing it right. 

His response? “The dog will tell you!”

At first, I didn’t quite understand. But then I realized how powerful that answer was! Dog training, like data storytelling, is all about clear communication. If I want to know if I’m communicating clearly, I have to pay attention to the dog to see if they understood. 

If you want to know if your graph, slides, or story is clear, the audience will let you know. They decide what works, not you.

This is a hard truth to swallow. In the exploration stage of analyzing data, it’s all about you and what you understand. However, as you shift to communicating data, your preferences and beliefs should take a back seat to those of your audience. 

Even as someone who shares this lesson with others regularly, I fall victim from time to time—most recently while working on Chapter 14 in before & after

Here’s the background information and original slide, taken directly from the book: 

Electrixion Group, a local electricity company, recently expanded and is now facing a shortage of certified electricians. Employees believe the expansion was a mistake, arguing that they can’t support such a large regional area because there isn’t enough local talent to hire. The head of talent acquisition wants to challenge these ideas by showing that there are plenty of certified electricians eager to work in their main off and warehouse—the real issue is the need for better advertising and recruitment. To make their case, the director planned to present the slide below. 

Knaflic, Cisneros, Velez. storytelling with data: before & after, Wiley, © 2025

At first glance, I was impressed. There’s something captivating about the funnel diagram, unique map, and bold crimson color. However, it took me a while to fully understand it. Without the back story, I’m not sure I’d walk away with the right takeaway.

Further reflection made me realize that there’s a lot going on among the funnel diagram, callout boxes, and map. A simple improvement would be to select either the funnel diagram or the map as the primary visual on the slide. This communication would further benefit from a strong takeaway title and better layout. 

My immediate preference was to stick with the funnel diagram. I couldn’t pass up the opportunity to turn this diagram into a square area chart!

Below is my first remake. 

Is it easier to grasp the point? I thought so. 

But it’s not about me. When I considered the scenario and the audience (busy electricians eager to head to their appointments for the day), the slide felt overly complex for the message. The employees don’t really care about this level of detail. 

After soliciting feedback and paying close attention to facial expressions and follow-up questions, I realized that I was designing for me and not the audience. Remember, if you want to know if your communication is clear, the audience will let you know. 

Instead of leaning into the funnel diagram, I settled on the map. It provided a nice understanding of where the talent resided in proximity to the warehouse, supporting the key point that with thoughtful marketing, recruiting local talent is possible. I also decided to prominently display a key takeaway and do the math for my audience. Approximately 70% of the electricians within 50 miles of the headquarters haven’t previously worked at the company, and therefore should be who we target (5.5K divided by 7.8K). This is the final makeover that made it into the book. 

Knaflic, Cisneros, Velez. storytelling with data: before & after, Wiley, © 2025

Simple, to the point, and exactly what this particular audience wanted. 

If you want to learn more about how I transformed this makeover step-by-step or if you love learning via example, order our new book, storytelling with data: before & after. It’s available this week at all places where books are sold (Amazon, Barnes & Noble, BAM, and Wiley). For those outside the U.S. who want to use Wiley, pick your location here. If you’ve already snagged a copy and have a free moment, we’d greatly appreaciate if you’d share your review.

what happened when my dad picked up “before & after”

2025-09-23 04:21:42

 

 

My dad doesn’t read.

I mean, he can read. He was a public school teacher for 45 years. He just chooses not to read for pleasure. You know how when you’re at a loss for what to get a middle-aged man for his birthday or for Fathers’ Day, and you default to, like, a coffee table book about golf courses or a thoroughly researched history of World War II? That never worked for my dad. In our family’s weekly Sunday phone calls, it’s my mom who asks if I’ve read any good books lately. 

That’s why, when she texted me on Saturday to say that her copy of storytelling with data: before & after had arrived early, she said, “I’ll read at least some of your chapters before we talk tomorrow.” Not, “Your father and I are excited to read your book.”

 
 

Imagine my surprise when my mom answered the phone on Sunday and said, “I haven’t read any of your book yet…your father took it when it arrived and he hasn’t given it back yet.” 

Odd, I thought. But what was even odder was what happened when my dad came into the room and joined the conversation.

“Mike,” he said, “I picked up your book and I couldn’t stop reading it!”

“Really?” I replied, with a fair bit of skepticism—not only for the reasons enumerated above, but also because my dad is very much the stereotypical curmudgeon: hard to please, and even harder to impress. (He might feel positively about something, but that doesn’t mean anyone else is allowed to know about it.)

“Honest to God,” he said in his Boston accent, “I never really understood what your job was before. I knew it had something to do with data, but reading this…

“I totally get it now. It’s just amazing how much you can do to make things, not just graphs, but everything—reports, emails, everything—look so much better.”

“Well, yeah,” I replied, “it’s meant to give people an idea of the thought process that we go through when we’re trying to improve their communications. That’s what we teach to other people in our workshops, so that they can learn to do it for themselves.”

“Yes! Exactly! And the writing is just so easy to understand.

“I thought this stuff would be confusing or hard to get, but the way you all talk about it, it just makes perfect sense.”

I started to respond, but he kept going: “And there are so many things you can do to these graphs that I never would have thought of…it’s so interesting to see!”

Now, dear reader, at this point you yourself are likely feeling a fair bit of the same skepticism towards me, your narrator, as I felt towards my father at the beginning of our conversation. I get it! Of course my own father is going to have a positive review of the book his son co-authored. 

But there was an energy and an excitement in his voice that, in all candor, I rarely hear from my dad these days. The specific things he was referencing as the conversation continued—he identified specific chapter numbers and examples that particularly caught his attention—convinced me that this exuberance was genuine. 

When we set out to write this book, we knew that the visual transformations would be appealing, particularly to an audience of people who work with data and graphs on a regular basis. We also knew that clear and accessible writing is essential to successful storytelling, which is why we strive to demonstrate it not only in this book, but throughout everything we do as a company.

What I personally did not realize, until I heard it from my own father, is how enjoyable, satisfying, and motivational it can be for anyone to see these before-and-after makeovers, regardless of their personal or professional connection to data visualization. 

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Beyond that, I certainly didn’t expect this to be the means by which my parents would finally get a clear understanding of just what I do at work all day. I’ve tried to explain it before, but it seems that this particular combination of words and pictures, supporting a clear narrative, did the trick.

Which, I suppose, shouldn’t be a surprise at all.

There are many ways to measure the success of a book: the number of people it reaches; the number of units sold; the recognition it receives; its longevity in the public’s awareness; the effect it has on the world. This week, I found a new way to measure the success of a book: the joy it can bring to an unexpected audience.

storytelling with data: before & after is available on shelves and online as of this week. And while it was written with data people in mind, it turns out it might just be for anyone who's ever looked at a graph and thought, I don’t get it—and would be delighted to discover that they actually do.

And if it can turn a lifelong non-reader into a surprise fan? For me, personally, that’s as big a success as I could ever have hoped for.

limit the minutes and let the slides slide

2025-09-04 21:40:00

If there were one myth I could debunk when it comes to business communications, it would be the belief that in all cases, the more slides you have, the longer your presentation will be. 

Often, when managers or meeting organizers want to limit the time a team member presents, they will mandate a slide restriction. This stems from the belief that the number of slides and minutes presented are related. 

This notion is silly because it depends on how you use your slides. There have been instances when I talked to a single slide for over ten minutes, and other times when a slide was only visible for 10-15 seconds before moving on to the next. 

A low slide quantity can lead to a low slide quality

Connecting the quantity of slides you share to the number of minutes you discuss them isn’t as clear-cut as it may seem, and in my experience, it can be counterproductive. Say there is an upcoming business meeting with a packed agenda: 

  • To ensure each topic can be discussed, all presenters are told to create only one or two slides. This allows the meeting deck to remain at a reasonable size and keep the meeting moving. 

  • Unfortunately, while the slide count is low, the individual slides are usually packed with tons of information that is scaled down to fit. 

  • A significant amount of time is wasted during the meeting simply trying to explain what’s on the slide and how to read it, because the audience is too overwhelmed to process it independently.

How many of us have faced this exact situation? More distressingly, how often are we the overwhelmed audience, slumped in our chairs, wishing that someone hadn’t tried to add the entire encyclopedia into a single PowerPoint slide?

A better alternative when faced with this scenario is to control minutes, not slide counts. If you are running a meeting, give your team a time limit for presenting and for answering questions. Empower them to decide how many slides they need—if any—to accomplish this. If you are contributing to a meeting, be sure to ask how much time you have, and prioritize the timing constraint over all other considerations. 

More slides + fewer minutes = better engagement

This is a recommendation I made while leading a customized training session with a corporate client earlier this year. The main goal of the day was to upskill the team’s ability to communicate effectively with various audiences, particularly leaders. 

Prior to our training session, the group shared examples of how they have communicated with data in the past. It’s helpful when an organization tells me about the challenges they are facing, but I can usually uncover much more when examining their existing graphs, reports, and slides. 

The following slide was part of a deck shared at a previous board meeting. The goal was to discuss the competitive broadband market, and reassure board members that the company remained the top provider in the city, despite increased competition. 

Before you critique the slide, it’s worth understanding the requirements. The team was instructed to create just one slide to discuss this matter, as the plan was to spend only 5-10 minutes on the topic. The team knew that pie charts probably weren’t the best solution, but resigned to using them because of the one-slide mandate. 

To demonstrate to the group that slide count and minutes do not necessarily go hand in hand, I redesigned the data story using the same information. My version used nine slides and could be discussed in two minutes. I also had more space, so I explored other chart types, such as slope graphs and square area charts.

Feel free to watch the short presentation below. (All of the details have been changed to protect confidentiality.)

Remember: focus on clarity, not slide count

The next time you are faced with a slide constraint, do your best to recognize that slides and minutes aren’t proportional, and they aren’t equal. If you need to keep business presentations short and targeted, then the amount of time talking is more important than the number of slides used to convey that point. 

If you enjoy seeing how we help real teams improve their business communications via example, order our latest book: storytelling with data: before & after. We share 20 powerful transformations of business communications from our client trainings. You can download a sample today, or join our launch team for early access to the book in exchange for your promotion.

dashboards that deliver: a special #SWDchallenge

2025-09-02 21:13:00

MIKE | For many years, we here at storytelling with data have been singing the praises of the wildly popular guide to designing business intelligence products, the Big Book of Dashboards. Traditionally, we think of dashboards as one of the best ways to explore your data, and at SWD, we focus most of our efforts toward helping folks improve the way they explain their data. That's why we've always found the Big Book of Dashboards and the books in the SWD library to be wonderful complements to each other. For the data analyst who wanted to upskill the full range of their abilities, this combination has served them well.

We were thrilled when we found out that our friends Andy Cotgreave, Amanda Makulec, Jeffrey Shaffer, and Steve Wexler were getting ready to publish the eagerly-awaited follow-up to this iconic work, entitled Dashboards That Deliver. It's slated to be released to the public on September 23, 2025—as it happens, the exact same day that we release our latest book, storytelling with data: before & after!

We decided that there was no better way to celebrate this happy coincidence than to bring the DTD and the SWD:B&A authors together for one mega-challenge here in September. We hope you enjoy it; we hope you participate; and we hope that on September 23, you're adding two great new books to your data visualization collection. And now, to introduce this month's challenge, here’s Amanda.


AMANDA | Dashboards evolve as user needs change, so revisions happen in the real world—and in this month’s SWD challenge! This challenge isn’t just about making a prettier design: it’s about creating a dashboard that serves a clear purpose. That goal is at the heart of our new book, Dashboards That Deliver, which teaches a user-centered, Agile framework for dashboard design that anyone can adapt in their work. Dashboards should have a clear spark (why they’re created), audience, and set of analytical goals, otherwise the most beautiful interfaces will spark more "ooh-ahh" than "ah-ha!"

Both Dashboards That Deliver and storytelling with data: before & after champion the value of iterative design, showcasing how prototyping, feedback, and seemingly simple revisions to charts and dashboards can reshape how people explore data and grasp key takeaways. 

The challenge celebrates both books by focusing on a dashboard redesign.

The challenge

For the challenge, we invite you to revisit a dashboard that could use a refresh and refocus. You can choose one of your old dashboards, or pick a dashboard from the Big Book of Dashboards, many of which are available on the book website. Then, spend a few minutes mapping out your intended audience for the redesigned dashboard and their analytical needs, both of which should inform your redesign.

We celebrate the value of mockups for quick feedback on dashboard concepts, so the format of your submission can be images only (allowing you to use prototyping tools like Figma to mockup new designs) or a fully-built workbook (in which case, post images here, but include a link to the interactive dashboard on the web). Feel free to include annotations or comments to clarify your intended interactivity. In either case, your final submission should include the original dashboard, your redesign, and notes on who your intended audience, what design decisions you made, and what questions people will be able to answer with your new and improved version.

If you’re not using one of the dashboards from the Big Book of Dashboards, we recommend redesigning a dashboard that you have created in the past, where you have ownership of the content and insights around the dashboard use case, or a dashboard that is widely shared and public facing (for example, a COVID dashboard). Please do not select and redesign work by others without their permission! Feedback should be given kindly and by request only.

Share your refreshed dashboard in the SWD community by Sepember 30th at 5PM PT. (If you’re not yet a member of the community, sign up here. It’s totally free and takes about 30 seconds.) If there is any specific feedback or input that you would find helpful, include that detail in your commentary. The DTD and SWD teams will comment on the submissions throughout the course of the month. And finally, tune into the video podcast Chart Chat on October 30 at 11am ET, where the DTD and SWD teams will share and celebrate some of their favorite redesigns from the challenge.

Related resources

Here are some additional resources to help you redesign your dashboard: