99.9% of the population in Empat Lawang Regency is Muslim.

The Muslim population in Empat Lawang Regency as of December 31, 2023, was recorded at 336,340. Compared to the previous year, the number of Muslims in the regency/city increased by 1,305.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of Muslims in this regency/city reached 99.9 percent of the total population in 2023, which numbered 336,690.

Based on the distribution across the districts in South Sumatra, the proportion of Muslims in Empat Lawang Regency ranks 12th.

The population of South Sumatra by religion in 2023 was as follows:

* Islam: 336,342 (99.9%)
* Protestant: 251 (0.07%)
* Catholic: 72 (0.02%)
* Buddhist: 19 (0.01%)
* Hindu: 10 (0.0%)
* Confucian: 0 (0.0%)
* Indigenous Beliefs: 0 (0.0%)

Compared to other regions in South Sumatra, the Muslim population in this regency/city ranks 12th out of 17 regencies/cities in South Sumatra Province.

Other areas with the largest Muslim populations in South Sumatra Province are: Palembang City (1,657,373), Banyuasin Regency (833,934), Ogan Komering Ilir Regency (760,994), Musi Banyuasin Regency (693,281), Ogan Komering Ulu Timur Regency (649,536), Muara Enim Regency (632,396), Ogan Ilir Regency (438,257), Lahat Regency (438,137), Ogan Komering Ulu Selatan Regency (418,232), and Musi Rawas Regency (412,458).