Side-by-side comparison of Mongolia and Brunei across population, economy, quality of life, and more. Data updated 2026.
How do Mongolia and Brunei compare? Mongolia, located in East and Southeast Asia, has a population of 3.3M and covers an area of 1.6M km². Its GDP (PPP) stands at $59.2B with a GDP per capita of $16,800. Brunei, in East and Southeast Asia, has a population of 492K across 5,765 km², with a GDP of $36.6B and GDP per capita of $79,200. In terms of quality of life, Mongolia has a life expectancy of 71.9 years compared to Brunei's 78.9 years.