0.00074% of the population in Aceh Singkil Regency practices Buddhism.

The Buddhist population in Aceh Singkil Regency, as of December 31, 2023, was recorded as one person. This is a decrease of one person compared to the previous year, which reported two individuals.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of Buddhists in this regency/city reached 0.00074 percent of the total population in 2023, which numbered 135,440 people.

Considering the distribution across the population of each district in Aceh, the proportion of Buddhists in Aceh Singkil Regency ranks 20th.

Meanwhile, the population of Aceh by religion in 2023 was as follows:

* Islam: 118,534 (87.52%)
* Protestant: 15,247 (11.26%)
* Catholic: 1,392 (1.03%)
* Indigenous Beliefs: 251 (0.19%)
* Hindu: 10 (0.01%)
* Buddhist: 1 (0.0%)
* Confucian: 0 (0.0%)

Other regencies/cities in Aceh with the largest Buddhist populations are: Banda Aceh City (2,530 people), Aceh Tamiang Regency (974 people), Aceh Barat Regency (669 people), Langsa City (496 people), Lhokseumawe City (482 people), Bireuen Regency (299 people), Aceh Tengah Regency (248 people), Sabang City (236 people), Aceh Barat Daya Regency (197 people), and Aceh Besar Regency (142 people).