Sao Tome and Principe vs Solomon Islands: Average years of schooling among adults
Sao Tome and Principe
5.99 years
in 2023
Solomon Islands
5.88 years
in 2023
Sao Tome and Principe rank
156th
Solomon Islands rank
159th
Average years of schooling among adults over time
- Sao Tome and Principe
- Solomon Islands
How they compare
Sao Tome and Principe currently reports 5.99 years against 5.88 years in Solomon Islands, a difference of 0.11 years.
The two have swapped places 1 time across 25 shared years of data; in 1999 it was Solomon Islands ahead.
Sao Tome and Principe ranks 156th and Solomon Islands ranks 159th of 192 countries.
Across the 4 decades both report, Sao Tome and Principe averaged higher in 1 and Solomon Islands in 3.
Head to head by decade
| Decade | Sao Tome and Principe | Solomon Islands | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 4.58 years | 5.05 years | 0.4754 years | Solomon Islands |
| 2000s | 4.9 years | 5.27 years | 0.3701 years | Solomon Islands |
| 2010s | 5.54 years | 5.68 years | 0.1413 years | Solomon Islands |
| 2020s | 5.97 years | 5.88 years | 0.0901 years | Sao Tome and Principe |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average years of schooling among adults, Sao Tome and Principe or Solomon Islands?
- Sao Tome and Principe, at 5.99 years against 5.88 years in Solomon Islands as of 2023.
- What is the difference in average years of schooling among adults between Sao Tome and Principe and Solomon Islands?
- 0.11 years, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Solomon Islands?
- 25 years are reported by both, from 1999 to 2023.
- How do Sao Tome and Principe and Solomon Islands rank globally for average years of schooling among adults?
- Sao Tome and Principe ranks 156th and Solomon Islands ranks 159th of 192 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as Average years of schooling among adults. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average number of years (excluding years spent repeating individual grades) adults over 25 years participated in formal education.