The average years of schooling for residents of Nias Regency remains below the national average.

The average years of schooling (AYS) for residents aged 25 and over in Nias, North Sumatra, was 6.14 years in 2023.

According to data from the Central Statistics Agency (BPS), the AYS for residents in this region is below the average for North Sumatra Province, which was 9.82 years in 2023.

The AYS for Nias residents increased by 0.26 years (4.42%) compared to the previous year, which was 5.88 years. Meanwhile, over the past five years, the AYS has increased by 1.2 years (24.29%).

This AYS indicates that the average Nias resident only attends school up to the 6th grade of elementary school. However, this AYS is still below the national average AYS of 8.77 years in 2023.

Compared to the 32 other districts/cities in North Sumatra Province, Nias's AYS ranks 33rd. The region with the highest AYS in the province is Medan City (11.62 years), while the lowest AYS is in Nias Regency (6.14 years).

The following is a list of the top 5 districts/cities in North Sumatra Province with the highest AYS in 2023:

1. Medan City: 11.62 years
2. Pematang Siantar City: 11.58 years
3. Binjai City: 11.19 years
4. Padang Sidempuan City: 11.12 years
5. Tebing Tinggi City: 10.86 years