0.1% of the population in Sintang Regency practices Confucianism.

The Confucian population in Sintang Regency, as of December 31, 2023, was recorded at 502 individuals. This represents an increase of 141 individuals compared to the previous year's reported figure of 361.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of the Confucian population in this regency/city reached 0.1 percent of the total population in 2023, which numbered 436,350.

Considering its distribution relative to the population of each area in West Kalimantan, the proportion of the Confucian population in Sintang Regency ranks eighth.

The following is a list of the population of West Kalimantan by religion in 2023:

* Islam: 172,102 (39.44%)
* Catholic: 159,532 (36.56%)
* Protestant: 106,080 (24.31%)
* Buddhist: 2,282 (0.52%)
* Confucian: 502 (0.12%)
* Hindu: 111 (0.03%)
* Indigenous Beliefs: 3 (0.0%)

Compared to other regions in West Kalimantan, the Confucian population in this regency/city ranks eighth out of the 14 regencies/cities in West Kalimantan province.

Other areas with a larger Confucian population in West Kalimantan province, in descending order, are: Pontianak City (3,305), Sambas Regency (3,007), Bengkayang Regency (2,503), Singkawang City (2,316), Kubu Raya Regency (1,533), Mempawah Regency (995), Ketapang Regency (637), Kayong Utara Regency (408), Kapuas Hulu Regency (362), and Sekadau Regency (276).