This article is an introduction to an excellent initiative, called the Global Education Project. Here is the introduction quoted from their website followed by informative charts. For more excellent content like this visit their website here.
"A few years ago a group of educators from BC, Canada set out to try to get an objective look at the state of the world. We wanted The Big Picture, not just this or that issue, but the most essential points of every important issue. The Executive Summary of the state of the planet. This web site is the result of that search. The site (and the accompanying wall chart) are here to show you - in as clear, objective, and accessible a format as possible - the condition of the world -- both its natural and human elements."
The 42-year graph below shows the widening economic gap between the poorer countries, where most of the world's people live, and the rich countries, whose governments control the international financial institutions and set global economic policy.