Average Schooling Duration in Siau Tagulandang Biaro Islands Rises to 9.51 Years

The average schooling duration (ASD) of the population aged 25 and over in Siau Tagulandang Biaro Islands, North Sulawesi reached 9.51 years in 2025.

Based on data from the Central Statistics Agency (BPS), the ASD of the population in this region is below the North Sulawesi provincial average of 9.91 years in 2025.

The ASD of the Siau Tagulandang Biaro Islands population increased by 0.08 years (0.85%) compared to the previous year, which was 9.43 years. Meanwhile, over the last five years, this ASD has increased by 0.54 years (6.02%).

This ASD indicates that the average population of Siau Tagulandang Biaro Islands only attends school up to the 9th grade level. This ASD is better than the national average ASD of 9.07 years in 2025.

When compared to the other 14 regencies/cities in North Sulawesi Province, the ASD of Siau Tagulandang Biaro Islands ranks 9th. Other regions in the province with the largest ASD are Manado City (11.52 years), while the lowest ASD is East Bolaang Mongondow Regency (8.3 years).

Here is the list of the highest ASD in 5 regencies/cities of North Sulawesi Province in 2025.

1. Manado City: 11.52 years
2. Tomohon City: 11.04 years
3. Kotamobagu City: 10.36 years
4. North Minahasa Regency: 10.36 years
5. Minahasa Regency: 10.25 years

(Read: Human Development Index in 38 Provinces of Indonesia 2024)