data mongolia 2023Mongolia is a country in Asia. The population in Mongolia was 3,481,145 in 2025. The nominal GDP per capita in Mongolia was $5,838.63 in 2025. The Gini index in Mongolia was 31.4 inWorld Economics estimates Mongolia's 2025 GDP at $77 billion in PPP terms (Purchasing Power Parity) and an initial estimate of $83 billion for 2025.