Mongolia vs Papua New Guinea

Mongolia scores 50.9 in the NationsTree Index (85th in the world) and Papua New Guinea scores 29.5 (164th), a gap of 21.4 points. Their trees are 5.1 m and 4.0 m tall; tree height grows with real GDP and is adjusted by the index.

Papua New Guinea has 3.0 times the population of Mongolia. Mongolia is 3.4 times larger than Papua New Guinea by land area. The economy of Mongolia is 32% larger than that of Papua New Guinea (GDP at purchasing power parity). Population: Mongolia 3.6 million and Papua New Guinea 10.8 million (2025).

GDP per person at purchasing power parity is $20,798 in Mongolia and $5,215 in Papua New Guinea (2025, international dollars). People in Mongolia live on average 6.1 years longer (72.4 vs 66.3 years).

Of 34 indicators reported by both countries, Mongolia ranks higher in the world on 27 and Papua New Guinea on 7. Mongolia is clearly stronger in society & health, infrastructure & digital and institutions & safety. Papua New Guinea is clearly stronger in environment & energy and natural resources.

As a nation, Mongolia is the older of the two (statehood since 1206, 820 years), compared with Papua New Guinea (since 1975). Over the last five years Papua New Guinea improved faster (direction score 72 vs 61 out of 100).