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

Series is obtained by adding up consumption, investment, government and exports, and subtracting imports in any given year. For more information and proper citation see http://www.rug.nl/research/ggdc/data/pwt/pwt-7.1 Source Indicator: rgdpl

GDP per capita is gross domestic product divided by midyear population. GDP is the sum of gross value added by all resident producers in the economy plus any product taxes and minus any subsidies not included in the value of the products. It is calculated without making deductions for depreciation of fabricated assets or for depletion and degradation of natural resources. Data are in current U.S. dollars. Source Code: NY.GDP.PCAP.CD

For more information and proper citation see http://www.rug.nl/research/ggdc/data/pwt/pwt-7.1 Source Indicator: cgdp

Source ID: pl_g When using these data in your research, please make the following reference: Feenstra, Robert C., Robert Inklaar and Marcel P. Timmer (2015), "The Next Generation of the Penn World Table" American Economic Review, 105(10), 3150-3182, available for download at www.ggdc.net/pwt For more information, see http://www.rug.nl/research/ggdc/data/pwt/.