Flawed, sure, but not useless. Lining up the countries side-by-side isn't very informative, but looking at the generation gaps within a single country can be.

Flawed, sure, but not useless. Lining up the countries side-by-side isn't very informative, but looking at the generation gaps within a single country can be. For perspective, the title of the study this chart came from is "The Accelerating Decline in America's High-Skilled Workforce: Implications for Immigration Policy". The authors are looking at which countries are creating lots of new high-skilled workers, and which are heading into a deficit of high-skilled workers (Germany and U.S.). In general, education systems from different countries don't map very well onto each other, but on the issue of high-skilled immigration into the U.S., the unit of comparison is "education level that U.S. companies/politicians would consider high-skilled". So, of course it's flawed and U.S.-centric -- it's a chart about U.S. immigration policy.