0:29The world's 10 richest people, every year since 1987
Business and startups · Bar race
Chart type · Trend
Bar length is the value at that moment and the order re-sorts as the values change. Watch the overtakes — and watch the axis, which usually rescales as it goes.
Rankings that changed hands over years — the overtaking is the drama.
The ranking barely changes, which makes the race a slow bar chart.
Letting a growing axis hide the growth. When the scale expands with the data, every bar stays the same length and the trend disappears.