89.99% of Bangka Belitung's population was Muslim in June 2021.

Based on data from the Directorate General of Population and Civil Registration (Dukcapil) of the Ministry of Home Affairs, the population of Bangka Belitung Islands Province (Babel) was 1.46 million in June 2021. Of this number, 1.31 million or 89.99% of the population are Muslim.

There are 64,390 people or 4.42% of the Babel population who practice Buddhism. There are also 30,470 people or 2.09% of the province's population who are Christian. There are 29,290 people (2.01%) who practice Confucianism. Furthermore, 19,010 people (1.31%) in the province are Catholic.

The number of Babel residents who practice Hinduism is 1,200 (0.08%), and those who adhere to indigenous beliefs number 1,260 (0.09%).

Based on gender, 746,100 people or 51.26% of the Babel population are male. 709,390 people or 48.74% of the province's population are female.

According to marital status, 682,710 people (46.91%) of the Babel population are unmarried. 691,220 people (47.49%) of the province's population are married.

There are 24,140 people (1.66%) of the Babel population who are divorced. There are also 57,420 people (3.95%) of the province's population who are widowed.

Babel is a province that was established through the division of South Sumatra Province. It covers an area of 16,424 square kilometers (km) with a population density of 89 people/km². Administratively, Babel Province is divided into 6 regencies and 1 city, comprising 47 districts, 309 villages, and 82 urban villages.