What religion is most popular in holland?

Christianity is the most popular religion in Holland (Netherlands), with approximately 47% of the population identifying as Christian. Within Christianity, the largest denominations are Roman Catholicism and Protestantism. Roman Catholicism is the largest single religious group in the country, with approximately 23.7% of the population identifying as Catholic. Protestantism is also a significant religious group, with various Protestant denominations, such as the Dutch Reformed Church, the Protestant Church in the Netherlands, and other smaller Protestant groups, accounting for approximately 15.6% of the population.