data mongolia 2024Population of Mongolia (2025 and historical) ; 2025, 3,475,540, 1.27%, 43,608, 83 ; 2025, 3,431,932, 1.36%, 45,917, 0In its flagship economic report, Asian Development Outlook (ADO) April 2025, the Asian Development Bank (ADB) projects that Mongolia’s economy will grow at 4.1% in 2025,