The share of the population in Denmark that is a member of the National Church declined over the past 10 years. In 2024, 4.25 million Danes were registered as members in the Danish National Church, meaning that 70 percent of the country's total population of six million people were members of the Church. 1.7 million people were not members of the Danish National Church that year. Every person who is baptized automatically becomes a member of the National Church, which in most cases happens through infant baptism. Since the Danish Reformation, the Danish National Church has been Evangelical Lutheran.

Christianity is, by far, the largest religion in Denmark with nearly 4.5 million members of the Danish People's Church or other Christian communities. Moreover, there are estimated to be around 300,000 Muslims in the country, but the exact number is not known. In general, estimating the exact number of people having a specific religious belief is difficult, and even for the members of the Danish People's Church, many do not actively participate in ceremonies.

This statistic shows the result of a survey conducted in 2017 on the level of knowledge about religion in Denmark, by religion. That year, the largest religious knowledge of Danish population (a share of 88 percent of respondents) had great or some knowledge about Christianity, whereas 12 percent had not much or no knowledge about Christianity. In contrast, only 33 percent of individuals said that they have a great or some knowledge about Judaism.

This statistic shows the result of a survey conducted in 2017 on share of people believing in God in Denmark. That year, most of Danes, with a share of 46 percent of respondents, did not believe in God, whereas the share of Danish people who believed with absolute certainty in God's existence, reached 15 percent of respondents.

Overall, young adults from the Middle East and North Africa, including Turkey, were more religious than any other group in Denmark. In 2023, 60 percent of the respondents in this group were either religious or very religious. On the other hand, only 16 percent of Danish youth were the same, underlining the different meaning religion has among the two groups.

This statistic shows the result of a survey on religious identification in Denmark in 2017, by type. The majority of the population, with a share of 55 percent, was non-practicing Christians. The share with the lowest religious identification in Denmark had other religion than Christianity, reaching five percent.

This statistic shows the result of a survey conducted in 2017 on religious practice in Denmark. That year, most of Danes, with a share of 22 percent of respondents, practiced religion by giving money to their religious organization. The second largest share of Danish people, reaching ten percent of respondents, practiced religion by wearing or carrying religious symbols.

This statistic shows the result of a survey conducted in 2017 on people agreeing that Islam is fundamentally incompatible with Denmark's culture and values. That year, the largest agreement of the Danish population was church-attending Christians, with a share of 55 percent of respondents. Compared with the religiously unaffiliated reaching 30 percent of individuals it was 25 percentage points higher.

This statistic shows the result of a survey conducted in 2017 on people's opinion being negative or positive towards religion in Denmark. That year, most of Danes, with a share of 47 percent of respondents, had a negative view of religion.

This statistic shows the result of a survey conducted in 2017 on reasons to leave a religion in Denmark. That year, the largest reason, with a share of 85 percent of respondents, was that they had gradually been drifting away from religion. The second largest reason, reaching a share of 60 percent, was that Danes no longer believe in their religion's teachings and disagrees with its position on social issues.

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This statistic shows the result of a survey conducted in 2017 on people in favor of same-sex marriage in Denmark in 2017, by religious identification. That year, the largest share of Danish population was religiously unaffiliated, with a share of 92 percent of respondents in favor of same-gender marriage. Compared with the church-attending Christians reaching 74 percent of individuals it was 18 percentage points higher.

This statistic shows the result on a survey on the belief in God or a greater divine power in Denmark in 2017. That time, with a share of 50 percent, the majority of respondents stated not to believe in God or a greater divine power. About 30 percent of respondents were believers, while roughly 20 percent didn't know.

This statistic shows the result of a survey conducted in 2017 on opinions on restrictions on the religious clothing of Muslim women in Denmark. That year, the largest opinion, with a share of 39 percent of Danish respondents, support free religious clothing of Muslim women as long as it does not cover their face.

This statistic displays the estimated and actual Muslim population share in Denmark and Sweden in 2018. In Denmark, respondents on average guessed that 18 out of every 100 people in Denmark were Muslims. In fact, 4. percent of the Danish population was Muslim in 2018. Swedes estimated 23 percent of every hundred people to be Muslim, but the actual number was 8 percent.

This statistic shows the result of a survey conducted in 2017 on frequency of praying in Denmark. That year, most of Danes, with a share of 62 percent of respondents, never prayed. The second largest share of Danish people, reaching 18 percent, seldom prayed.

61 percent of the Danish respondents to a survey conducted in 2018 perceived online material which promotes hatred or religious extremism as a very serious crime. Eight percent of the Danes found it as a minor crime and one percent of the respondents did not find it as being a crime at all.