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 inMongolia's total population was 3.42 million in January 2025. Data shows that Mongolia's population increased by 50 thousand (+1.5 percent)