Iceland vs Montenegro

Iceland scores 71.0 in the NationsTree Index (32nd in the world) and Montenegro scores 53.5 (74th), a gap of 17.5 points. Their trees are 3.7 m and 2.8 m tall; tree height grows with real GDP and is adjusted by the index.

Montenegro has 59% more people than Iceland. Iceland is 7.4 times larger than Montenegro by land area. The economy of Iceland is 48% larger than that of Montenegro (GDP at purchasing power parity). Population: Iceland 392,404 and Montenegro 623,129 (2025).

GDP per person at purchasing power parity is $83,431 in Iceland and $35,423 in Montenegro (2025, international dollars). People in Iceland live on average 4.9 years longer (82.8 vs 77.9 years).

Of 31 indicators reported by both countries, Iceland ranks higher in the world on 26 and Montenegro on 5. Iceland is clearly stronger in infrastructure & digital, institutions & safety and science & innovation. Montenegro is clearly stronger in military and tourism.

As a nation, Iceland is the older of the two (statehood since 930, 1,096 years), compared with Montenegro (since 2006). Over the last five years Montenegro improved faster (direction score 79 vs 25 out of 100).