DATA VAN DE DAG - After publishing our chart on the evolution of the color of cars on the Dutch roads, request came in to do a simular chart for North America. We found the data and created it.

For producing this chart we combined some colors that where mentioned separatly in some reports. Like dark red and bright red all went to red.

The popularity of black and white almost double in 15 years time. But green went from a share of almost 9% to just 2%.

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The story of a simple chart that became a dataviz test case Once upon a time we created a simple chart on the changes in the color of the cars on the road. After a lonely period it grew a family of other likewise charts based on the same data. And everybody lived happily ever after.

World population distribution by latitude and longitude - 2015 DATA VAN DE DAG - There are well cited graphs on the distribution of people based on latitude and longitude, but they use data from 2000. We've created an update version after being nudged on Twitter.

Driving range Tesla using their superchargers DATA VAN DE DAG - If you have a Tesla you need to charge in order to get somewhere. Normal charging takes time. So Tesla provides superchargers. Using only these superchargers, where can you go in the world?

People killed by terrorism per year in Western Europe 1970-2015 ACTUALITEIT - Because of the recent terrorism attacks in Europe we've plotted the GTD data and most recent figures in several graphs for Western Europe.

Historisch verloop kleur van de personenauto's op de Nederlandse weg AANVRAAG DATA - Voor Sargasso zochten we ook dit jaar weer uit hoe het wagenpark op de Nederlandse weg in de loop der jaren van kleur verschoot. UPDATE: There's an English version of this case, including graphs.

Historical evolution of the color of family cars on the Dutch roads In the Netherlands the data on cars currently on the road is available for everyone. Only the owner remains hidden. With this data we can plot how the color of the family cars changed over time.

Analyse factoren die meespelen in frequentie verkeersongelukken DATA VAN DE DAG - Het op- of ondergaan van de zon heeft geen merkbare invloed op het aantal ongelukken dat op de Nederlandse wegen plaats vindt. Dat leert een complexe visuele analyse van ruim 900.000 ongelukken van de afgelopen 9 jaar ons.