Algeria vs Saudi Arabia

Saudi Arabia scores 76.5 in the NationsTree Index (15th in the world) and Algeria scores 57.0 (63rd), a gap of 19.5 points. Their trees are 18 m and 35 m tall; tree height grows with real GDP and is adjusted by the index.

Algeria has 28% more people than Saudi Arabia. Algeria has 11% more land area than Saudi Arabia. Saudi Arabia has an economy 3.1 times the size of Algeria (GDP at purchasing power parity). Population: Algeria 47.4 million and Saudi Arabia 37.0 million (2025).

GDP per person at purchasing power parity is $73,784 in Saudi Arabia and $18,586 in Algeria (2025, international dollars). People in Saudi Arabia live on average 2.5 years longer (79.0 vs 76.5 years).

Of 30 indicators reported by both countries, Algeria ranks higher in the world on 5 and Saudi Arabia on 25. Algeria is clearly stronger in environment & energy. Saudi Arabia is clearly stronger in tourism, infrastructure & digital and institutions & safety.

As a nation, Saudi Arabia is the older of the two (statehood since 1727, 299 years), compared with Algeria (since 1962). Over the last five years Saudi Arabia improved faster (direction score 100 vs 92 out of 100).