History of religion in the Netherlands decreased from approximately 7,013,163 (43.22% overall population) in 2003 to 5,730,852 (34.15% overall population) in 2013. An additional 4.2% of the population adhere to other Protestant churches. With only 32.2% of the Dutch currently adhering to a religion, among which 25% adhere to Christianity and 5% to Islam, the Netherlands is one of the least religious countries of Europe. During the late 20th century, the Dutch policy on abortion, drug use, euthanasia, homosexuality and prostitution became very liberal. As a result of the declining religious adherence, the two major strands of Calvinism, the Dutch Reformed Church and the Reformed Churches
Religion in the Netherlands a way of cultural identification in the different parts of the Netherlands. In 2015, a vast majority of the inhabitants of the Netherlands (82%) said they had never or almost never visited a church, and 59% stated that they had never been to a church of any kind. Of all the people questioned, 24% saw themselves as atheist, an increase of 11% compared to the previous study done in 2006. The expected rise of spirituality (ietsism) is rising according to research in 2015. The oldest data on the profession of religion by the inhabitants of the regions that are now