As per International Monetary Fund (IMF) 2019 estimates, the GDP (nominal) of Samoa is USD 902 million. Currently (2019), the world rank of Samoa is 176 in terms of GDP Nominal.
However, as per 2018 estimates by World Bank, the GDP (Nominal) of Samoa is USD 861 million. As per World Bank Estimates, the global rank of Samoa is 175.

Samoa GDP [PPP]

On the other hand, as per 2019 estimates by International Monetary Fund, the GDP (PPP) of Samoa is USD 1,237 Million.  Samoa on this basis has a global rank of 177.