According to 2020 projections from the PEW Research Center, Christianity is the most widely practiced religion in the world, with approximately 2.4 billion believers, or approximately 31% of the world’s population. Their number is expected to increase by 22.4% to more than 2.9 billion by 2050, which will remain at the same level as the group’s current share of the world’s total population (31%). Islam is expected to be the fastest growing religion over this period, with the number of Muslims increasing from 1.9 billion in 2020 to nearly 2.8 billion in 2050.
The United States has the largest Christian population in the world, with Christians making up the largest proportion of the country’s total population at over 70%.
Look at the top 10 countries where Christian population will increase the most by 2050.
10. Madagascar
- Christian population in 2050: 44.4 million
- Estimated population growth from 2020 to 2050: 21.2 million
- Growth rate: 91.4D
First on the list is Madagascar, where the number of Christians will almost double is expected to increase. Nevertheless, the proportion of Christians in the country is predicted to decrease slightly from 84.7% to 82.8% due to the increase in followers of civil religions.
9. Ethiopia
- Christian population in 2050: 84.8 million
- Estimated population growth from 2020 to 2050: 22.16 million
- Growth rate: 35.4D
The history of Christianity in Ethiopia dates back to the 4th century B.C. Let’s go back. It was one of the first regions to adopt this religion. More than 62 million Christians live in this country, making up 62% of the total population.
8. Malawi
- Christian population in 2050: 41,900,
- Estimated population growth from 2020 to 2050: 24.6 million
- Growth rate: 142D
In the landlocked nation of Malawi in East Africa, 83.4% of people identify as Christians. Between 2020 and 2050, the number of Christians in the nation is expected to increase by an astounding 142%.
7. The Zambian
- Christian Population in 2050: 43.2 million
- Population Growth Projected from 2020 to 2050: 25.6 million
- Increase in percentage: 147%
In Zambia, where Christians make up 97.4% of the total population, the majority religion is Christianity. By 2050, the number of Christians in the nation is expected to more than double.
6. Kenya
- Christian population in 2050: 79.8 million
- Estimated population growth from 2020 to 2050: 35 million
- Growth rate: 79.5D
Christianity is the main religion in Kenya and accounts for 3% of Kenya’s population. 84.5% are Christian. Muslims are also quite large, making up 10.5% of the population.
5. Philippines
- Christian population in 2050: 143.6 million
- Estimated population growth from 2020 to 2050: 41.2 million
- Growth rate: 40.3D
The Philippines has the fourth largest Christian population in the world The estimated number of Christians in majority countries is 102 million in 2022. Most of them identify as Catholic.
4. Uganda
- Christian population in 2050: 81 million
- Estimated population growth from 2020 to 2050: 41.6 million
- Growth rate: 105.7D
Next on the list is Uganda, with approximately 86% of the population are Christians, Catholics and Protestants. The number of Christians is estimated to exceed 81 million by 2050, more than double the 39 million in 2020.
3. Tanzania
- Christian population in 2050: 93.6 million
- Estimated population growth from 2020 to 2050: 54.8 million
- Growth rate: 141.5d
Tanzania’s Christian population is expected to increase by around 55 million between 2020 and 2050, making it the country with the third-largest anticipated increase globally during that time.
2. Nigeria
- Christian population in 2050: 154.8 million
- Estimated population growth from 2020 to 2050: 58.8 million
- Growth rate: 61.16%
The PEW Research Center estimates that in 2020, there will be over 96 million Christians in Nigeria. Over the following three decades, the number will likely rise dramatically, surpassing 155 million by 2050.
1. The Democratic Republic of the Congo
- Christian Population in 2050: 141.8 million
- Population Growth Projected from 2020 to 2050: 60.3 million
- Increase in percentage: 73.93%
With 6.16 births per woman, the Democratic Republic of the Congo has a high birth rate. Between 2020 and 2050, the nation is expected to have the biggest increase in the number of Christians.
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