As per International Monetary Fund (IMF) 2019 estimates, the GDP (nominal) of Iceland is USD 24,544 million. This GDP (nominal) is around 0.03% of Entire World’s GDP. Currently (2019), the world rank of Iceland is 108 in terms of GDP Nominal.
However, as per 2018 estimates by World Bank, the GDP (Nominal) of Iceland is USD 25,882 million. As per World Bank Estimates, the global rank of Iceland is 103.

Iceland GDP [PPP]

On the other hand, as per 2019 estimates by International Monetary Fund, the GDP (PPP) of Iceland is USD 20,003 Million. This is 0.01% of World. Iceland on this basis has a global rank of 142.