Christianity is the largest religion in Cape Verde, with Roman Catholics having the most adherents. Different sources give varying estimates on the relative sizes of various Christian denominations. More than 94% of the population of Cape Verde is Christian, with almost 85% being Roman Catholic. About 5% of the population is Protestant. The largest Protestant denomination is the Church of the Nazarene. Other groups include the Church of the Nazarene, the Assemblies of God, Seventh-day Adventist Church, the Universal Church of the Kingdom of God, independent Baptists and various other Pentecostal and evangelical groups.
There is a small Baháʼí Faith community and a small Muslim community. The number of agnostics is estimated at less than 1 percent of the population.
The Constitution provides for freedom of religion, and the Government generally respects this right in practice.
In 2023, the country was scored 4 out of 4 for religious freedom.