This diagram shows the earnings distribution in the UK from 1997 to 2016. Source: ONS Annual Survey of Hours and Earnings (ASHE). For more analysis see the ONS's excellent article.
The left axis is the percentage of employees (or density). The measure is gross hourly earnings. ASHE does not cover the self-employed.
Use the arrow keys to observe the changing distibution through the years.
Adapted from D3's Mike Bostock (original version).