Global Religious Demographics and Institutional Shifts
New data from the Pew Research Center shows that the global share of Christians has declined from 31% in 2010 to 28.5% in 2023, while the unaffiliated population has risen to 24.2%. Islam remains the fastest-growing major religion, with 1.9 billion followers, or 24.4% of the world population. Hinduism and Buddhism remain relatively stable, together accounting for roughly 11% of the global population. These shifts are driven by differences in fertility rates, age structures, and conversion patterns across regions. The center's 2023 update also highlights rising religious diversity in sub-Saharan Africa and parts of Asia due to migration and interfaith marriage.
Institutional responses vary by region. In Europe, several mainline Protestant denominations have reported declining membership, with the Church of England's attendance falling below 600,000 weekly worshippers in recent years. Meanwhile, Pentecostal and independent churches have grown in sub-Saharan Africa and Latin America, with some megachurches reporting weekly attendance exceeding 50,000. In the United States, the Public Religion Research Institute's 2023 American Values Atlas found that 28% of U.S. adults now identify as religiously unaffiliated, up from 16% in 2007. The Southern Baptist Convention reported a membership decline to 13.1 million in 2023, down from a peak of 16.3 million in 1979.
Legal and Regulatory Developments Affecting Religious Organizations
In the United States, the Supreme Court's 2023 term included decisions affecting religious liberty and employment law. The Court ruled in Groff v. DeJoy that employers must show "substantial" hardship to deny religious accommodations, raising the standard from the previous "de minimis" threshold. The decision impacts workplace policies across sectors, including healthcare, retail, and education. Separately, the Internal Revenue Service continues to enforce rules on church tax exemptions, with the agency publishing updated guidance on unrelated business income tax for religious nonprofits in 2023.
Internationally, France's Council of State upheld restrictions on religious symbols in public schools, reinforcing the country's secularism framework. In India, the Supreme Court has heard multiple petitions regarding the Places of Worship Act, which prohibits the conversion of religious sites. The European Court of Human Rights ruled in 2023 that Switzerland's ban on full-face coverings in public spaces did not violate religious freedom, a decision with implications for burqa policies in several European countries. These rulings shape the legal landscape for religious practice, institutional autonomy, and public accommodation standards.
Technology, Media, and Financial Trends in Religious Sectors
Religious organizations are increasingly using digital platforms for outreach and fundraising. The Church of Jesus Christ of Latter-day Saints reported that its online giving platform processed over $1 billion in donations in 2023, with mobile app usage accounting for more than 40% of contributions. In the broader nonprofit sector, GuideStar and Candid data show that religious nonprofits remain the largest category by number, accounting for over 30% of all U.S. tax-exempt organizations. However, overall giving to religious congregations declined for the fourth consecutive year, dropping by 4.2% in inflation-adjusted terms in 2023, according to the Fundraising Effectiveness Project.
Media coverage of religion has shifted toward streaming and social platforms. YouTube channels affiliated with major religious broadcasters now collectively reach over 100 million subscribers, with daily worship services and sermons streamed globally. In the financial sector, religiously affiliated investment funds have grown, with Islamic finance assets surpassing $4 trillion in 2023, according to the Islamic Financial Services Board. The board reports that