This statistic shows the top 25 countries in the world with the largest number of Christian population in 2010. In 2010, the United States was leading the ranking with about 243 million Christians living in the country.

In 2022, around 31.6 percent of the global population were identify as Christian. Around 25.8 percent of the global population identify as Muslims, followed by 15.1 percent of global populations as Hindu.

As of 2010, Christianity was the religion with the most followers worldwide, followed by Islam (Muslims) and Hinduism. In the forty years between 2010 and 2050, it is projected that the landscape of world religions will undergo some noticeable changes, with the number of Muslims almost catching up to Christians. The changes in population sizes of each religious group is largely dependent on demographic development, for example, the rise in the world's Christian population will largely be driven by population growth in Sub-Saharan Africa, while Muslim populations will rise across various regions of Africa and South Asia. As India's population is set to grow while China's goes into decline, this will be reflected in the fact that Hindus will outnumber the unaffiliated by 2050. In fact, India may be home to both the largest Hindu and Muslim populations in the world by the middle of this century.

Christianity is the major religion in numerous African countries. As of 2024, around 96 percent of the population of Zambia was Christian, representing the highest percentage on the continent. Seychelles and Rwanda followed with roughly 95 percent and 94 percent of the population being Christian, respectively. While these countries present the highest percentages, Christianity was also prevalent in many other African nations. For instance, in South Africa, Christianity was the religion of nearly 85 percent of the people, while the share corresponded to 71 percent in Ghana. Religious variations across Africa Christianity and Islam are the most practiced religions in Africa. Christian adherents are prevalent below the Sahara, while North Africa is predominantly Muslim. In 2020, Christians accounted for around 60 percent of the Sub-Saharan African population, followed by Muslims with a share of roughly 30 percent. In absolute terms, there were approximately 650 million Christians in the region, a number forecast to increase to over one billion by 2050. In contrast, Islam is most prevalent in North Africa, being the religion of over 90 percent of the population in Algeria, Morocco, Tunisia, and Libya. Christianity in the world As opposed to other religions, Christianity is widely spread across continents worldwide. In fact, Sub-Saharan Africa, Latin America and the Caribbean, and Europe each account for around 25 percent of the global Christian population. By comparison, Asia-Pacific and North America make up 13 percent and 12 percent of Christians worldwide, respectively. In several regions, Christians also suffer persecution on religious grounds. Somalia and Libya presented the most critical situation in Africa in 2021, reporting the strongest suppression of Christians worldwide just after North Korea and Afghanistan.

This statistic shows the 10 countries with the largest number of Christians worldwide in 2010. 246,78 million Christians are living in the United States.

Global Total Number of 10% Top-Cited Scientific Publications in Religious Studies Share by Country (Units (Publications)), 2023 Discover more data with ReportLinker!

Global Total Number of 10% Top-Cited Scientific Publications in Religious Studies by Country, 2023 Discover more data with ReportLinker!

Christianity was the largest religion in a high number of the countries included in the survey. Of the countries, Peru, South Africa, and Poland had the highest share of Christians at around 75 percent. Moreover, around 90 percent in India and Thailand stated that they believed in another religion, with Hinduism and Buddhism being the major religion in the two countries respectively. Sweden and South Korea were the only two countries where 50 percent or more of the respondents stated that they did not have any religious beliefs.

Islam is the major religion in many African countries, especially in the north of the continent. In Comoros, Libya, Western Sahara, at least 99 percent of the population was Muslim as of 202. These were the highest percentages on the continent. However, also in many other African nations, the majority of the population was Muslim. In Egypt, for instance, Islam was the religion of 79 percent of the people. Islam and other religions in Africa Africa accounts for an important share of the world’s Muslim population. As of 2019, 16 percent of the Muslims worldwide lived in Sub-Saharan Africa, while 20 percent of them lived in the Middle East and North Africa (MENA) region. Together with Christianity, Islam is the most common religious affiliation in Africa, followed by several traditional African religions. Although to a smaller extent, numerous other religions are practiced on the continent: these include Judaism, the Baha’i Faith, Hinduism, and Buddhism. Number of Muslims worldwide Islam is one of the most widespread religions in the world. There are approximately 1.9 billion Muslims globally, with the largest Muslim communities living in the Asia-Pacific region. Specifically, Indonesia hosts the highest number of Muslims worldwide, amounting to over 200 million, followed by India, Pakistan, and Bangladesh. Islam is also present in Europe and America. The largest Islamic communities in Europe are in France (5.72 million), Germany (4.95 million), and the United Kingdom (4.13 million). In the United States, there is an estimated number of around 3.45 million Muslims.

In 2023, North Korea was the country with the strongest suppression of Christians with an index value of 97.8. Somalia followed behind with 91.6, with Yemen in third.

The World Watch List The index ranges from 0 (complete freedom) to 100 (total suppression). The survey for the World Watch List included various aspects of religious freedom: the legal and official status of Christians, the actual situation of Christians living in the country, regulations from the state as well as factors that can undermine the freedom of religion in a country. Christianity worldwide Even though Christianity is the largest religion worldwide, there are many areas of the world where Christians are persecuted. As the list shows, this is especially the case in countries with larger Muslim populations. Moreover, these countries are characterized by their authoritarian nature. The global distribution of religions varies strongly; whereas almost 100 percent of Hindus and Buddhists are found in the Asia-Pacific, Christians are spread around most world regions except the Middle East and North Africa.

From 2022 to 2060, the worldwide population of Muslims is expected to increase by 45.7 percent. For the same period, the global population of Buddhists is expected to decrease by 12.2 percent.

In 2022, Indonesia has the largest population of Muslims worldwide with around 241.5 million. This was followed with around 225.6 million Muslims in Pakistan and 211.16 million Muslims in India.

In 2023, over 87 percent of Indonesians declared themselves to be Muslim, followed by 7.4 percent who were Christians. Indonesia has the largest Islamic population in the world and for this reason is often recognized as a Muslim nation. However, Indonesia is not a Muslim nation according to its constitution. The archipelago is a multifaith country and officially recognizes six religions – Islam, Protestantism, Catholicism, Buddhism, Hinduism, and Confucianism.

Not all provinces in Indonesia are Muslim majority
The spread of Islam in Indonesia began on the west side of the archipelago, where the main maritime trade routes were located. Until today, most of the Indonesian Muslim population are residing in Western and Central Indonesia, while the majority religion of several provinces in Eastern Indonesia, such as East Nusa Tenggara and Bali, is Christian and Hindu, respectively.

Discrimination towards other beliefs in Indonesia The Indonesian constitution provides for freedom of religion. However, the Government Restrictions Index Score on religion in Indonesia is relatively high. Indonesians who practice unrecognized religions, including Indonesia’s indigenous or traditional belief systems, such as animism, dynamism, and totemism, face legal restrictions and discrimination. Indonesian law requires its citizens to put one of the recognized religions on their national identity cards, with some exceptions for indigenous religions. Although legally citizens may leave the section blank, atheism or agnosticism is considered uncommon in Indonesia.

Among the people surveyed in 26 countries around the world, a slight majority of the baby boomer generation were Christians. By comparison, only 42 percent of Generation Z stated that they were Christians. Millennials was the generation with the highest share of people stating that they had a religious belief other than Islam and Christianity.

According to a survey conducted in South Korea in 2023, over 60 percent of respondents reported no religious affiliation, while approximately 20 percent identified as Christians and 16 percent as Buddhists. Religious population South Korea is a multi-religious society where Christianity, Buddhism, and various other religions coexist with shamanism. According to a previous study, the domestic religious population appeared to decline over time after reaching its peak in 2005, at nearly 25 million people. In contrast, the share of people who are religiously unaffiliated has increased in recent years. Within the last two decades, the religiously unaffiliated population has increased from about 40 percent to more than 60 percent. Shamanism Shamanism has continued to significantly influence the daily lives of many South Koreans. According to a survey conducted in 2023, about 40 percent of respondents reported having consulted a fortune-teller within the past year. Roughly 80 percent of those respondents were already affiliated with a religion.

In 2024, Nigeria had the largest Muslim population in Africa, with around 105 million people who belonged to an Islamic denomination. Egypt and Algeria followed with 90.4 million and 39.4 million Muslims, respectively. Muslims have a significant presence in Africa, with an estimated 50 percent of the continent's population identifying as Muslim. The spread of Islam in Africa began in the 7th century with the arrival of Arab traders, and it continued through Islamic scholars and missionaries.

In 2023, it was estimated that approximately 87 percent of the Indonesian population were Muslim, accounting for the highest share of Muslims in any Southeast Asian country. Indonesia also has the world's largest Muslim population, with an estimated 229 million Muslims.

Demographics of Indonesia

The total population of Indonesia was estimated to reach around 290 million in 2028. The median age of the population in the country was at an all-time high in 2020 and was projected to increase continuously until the end of the century. In 2020, the population density in Indonesia reached its highest value recorded at about 145.7 people per square kilometer.

Shopping behavior during Ramadan in Indonesia

Nearly all Muslims in Indonesia celebrated Ramadan in 2022. During the month of Ramadan, 60 percent of Indonesian users utilized online applications to order food. Many Indonesians planned to shop online or offline during Ramadan, with around 76 percent of online users planning to purchase fashion wear and accessories. Shopee was the most used app for shopping purposes during that period.

More than 120 million people of the Hindu faith gather every 12 years in India for the Maha Kumbh Mela festival. In contrast, the annual Hajj pilgrimage in Saudi Arabia gathered about three million Muslims in 2018.

Although traditionally a Catholic country, Spain saw a decline in the number of believers over the past years. Compared to 2011, when the share of believers accounted for slightly over 70 percent of the Spanish population, the Catholic community lost approximately 13 percentage points of their faithful by September 2024 with a share of 57.1 percent of the surveyed population. Believers of a religion other than Catholicism accounted for approximately 3.3 percent of the Spanish population in 2024 according to the most recent data. A Catholic majority, a practicing minority Going to mass is no longer a thing in Spain, or so it would seem when looking at the latest statistics about the matter: over 50 percent of those who consider themselves Catholics almost never attend any religious service in September 2024. Since 2021, the figures only decreased in the past years, with 55.5 percent of the population never going to religious services in 2011 down to 50 percent in 2024. The not so Catholic Spain Around 38 percent of the surveyed population stated to be either non-believers or full atheists in 2024. Non-believers or people that do not have a religious faith fluctuated over the past years with the latest figures showing a 12.1 percent of people that categorize themselves as so. The share of Spanish atheists is on the rise according to the most recent surveys, taking up 15.5 percent of respondents in May 2024.

Based on the 2020 census, the majority of Filipino households were affiliated with the Roman Catholic religion, numbering about 86 million people. Meanwhile, there were roughly seven million Muslims in the country. The Philippines is one of the countries in the world with the highest population professing the Catholic faith, after Brazil and Mexico.