0.09% of the population in Agam Regency is Catholic.

The Catholic population in Agam Regency as of December 31, 2023, was recorded at 476 individuals. Compared to the previous year, the number of Catholics in the regency/city decreased by 663 individuals.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of Catholics in this regency/city reached 0.09 percent of the total population in 2023, which amounted to 530,120 individuals.

Based on the distribution across the regions of West Sumatra, the proportion of Catholics in Agam Regency ranks eighth.

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

* Islam: 525,843 (99.19%)
* Protestant: 3,797 (0.72%)
* Catholic: 476 (0.09%)
* Buddhist: 7 (0.0%)
* Hindu: 0 (0.0%)
* Confucian: 0 (0.0%)
* Other Beliefs: 0 (0.0%)

Compared to other regions in West Sumatra, Catholics in this regency/city rank eighth out of 19 regencies/cities in West Sumatra province.

Other areas with the highest number of Catholics in West Sumatra province are: Mentawai Islands Regency (27,495), Padang City (12,125), Pasaman Barat Regency (2,831), Bukittinggi City (1,157), Payakumbuh City (670), Dharmasraya Regency (629), Padang Pariaman Regency (517), Padang Panjang City (348), Sawahlunto/Sijunjung Regency (300), and Solok City (298).