Source: University of Pennsylvania
Release: Penn World Table 7.1
The equivalent measure used here assigns a weight of 1.0 to all persons over 15, and 0.5 for those under age 15.
For more information and proper citation see http://www.rug.nl/research/ggdc/data/pwt/pwt-7.1
Source Indicator: rgdpeqa
University of Pennsylvania, Purchasing Power Parity Converted GDP Chain per equivalent adult for Belgium [RGDPEQBEA626NUPN], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/RGDPEQBEA626NUPN, September 21, 2017.