The World Historical Economic Database is a dataset I am developing showing GDP and population as a proportion of the world total. There are two distinct datasets.
The first dataset uses today’s boundaries (mostly). It can be found in the downloads section.
The second dataset uses the boundaries in effect at the time. It is in the process of development.
The first dataset was created by interpolating and extrapolating the data from the Maddison database https://www.rug.nl/ggdc/historicaldevelopment/maddison/ and the HYDE model https://hyde-portal.geo.uu.nl/. My data would not be possible without the effort made by these two groups.
rogercooper.com 