As per International Monetary Fund (IMF) 2019 estimates, the GDP (nominal) of Botswana is USD 19,651 million. This GDP (nominal) is around 0.02% of Entire World’s GDP. Currently (2019), the world rank of Botswana is 115 in terms of GDP Nominal.
However, as per 2018 estimates by World Bank, the GDP (Nominal) of Botswana is USD 18,616 million. As per World Bank Estimates, the global rank of Botswana is 112.

Botswana GDP [PPP]

On the other hand, as per 2019 estimates by International Monetary Fund, the GDP (PPP) of Botswana is USD 44,133 Million. This is 0.03% of World. Botswana on this basis has a global rank of 113.