Here’s a straightforward stacked area chart from the Economist that shows shifting market share in the technology sector. It highlights the quick shrinkage of IBM in the 1990s, Microsoft reign soon after, and the apple surge mid-2000s. Be sure to look at the nominal and real views too, because even though relative dominance shifted, the sector as a whole is up and up.
Technology sector, share of market over time
How We Spend Our Money, a Breakdown
We know spending changes when you have more money. Here’s by how much.
Life expectancy changes
The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.
Shifting Incomes for American Jobs
For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.