Ukraine is the top country by inflation rate (GDP deflator) in the world. As of 2015, inflation rate (GDP deflator) in Ukraine was 38.4 %. The top 5 countries also includes Argentina, Yemen, Malawi, and Sierra Leone.
Inflation as measured by the annual growth rate of the GDP implicit deflator shows the rate of price change in the economy as a whole. The GDP implicit deflator is the ratio of GDP in current local currency to GDP in constant local currency.