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I’m unsure

Where are your sources?

I am currently writing an essay on the population of Burkina Faso & Switzerland. I would like to know what your sources are so I may write up a research methods section.
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  • @Carl, our population data are mainly based on Madisson for the period 1800-1849 with some adjustments made by Gapminder to have estimates meet the UN data in 1950 and UN_POP, in their World Population Prospects for the period 1950-2100. The new version of our population dataset is based on WPP 2019 for after 1950. For detailed documentation on how we have compiled the historical data, see You will also find the excel file with historical data including interpolations & metadata.
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