71.7% of the population in Dairi Regency is Protestant.

The Protestant population in Dairi Regency as of December 31, 2023, was recorded at 233,720. Compared to the previous year, the number of Protestants in the regency/city increased by 17,387.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of Protestants in this regency/city reached 71.7 percent of the total population in 2023, which numbered 326,150.

Considering the distribution across the population of each region in North Sumatra, the proportion of Protestants in Dairi Regency ranks seventh.

Below is the population of North Sumatra by religion in 2023:

• Protestant 233,721 (71.66%)


• Islam 54,455 (16.7%)


• Catholic 37,671 (11.55%)


• Buddhist 296 (0.09%)


• Hindu 6 (0.0%)


• Indigenous Beliefs 6 (0.0%)


• Confucian 0 (0.0%)

Other regencies/cities in North Sumatra with the largest Protestant populations are: Medan City (475,357), Simalungun Regency (380,134), Deli Serdang Regency (336,163), North Tapanuli Regency (294,482), South Nias Regency (288,255), Karo Regency (239,580), Toba Samosir Regency (185,113), Humbang Hasundutan Regency (172,573), West Tapanuli Regency (164,221), and Nias Regency (126,721).