6 datasets in this collection.
A compiled year-by-year timeline of reported U.S. Church membership — not one survey, several sources stitched together.
The Church of Jesus Christ of Latter-day Saints · Compiled by this site from multiple public sources
The full worldwide membership count, year by year, from six founding members to nearly 18 million.
The Church of Jesus Christ of Latter-day Saints · Compiled by this site from multiple public sources
Ten denominations' own reported membership, each extended by a simple trend line to 2035 — modeled on Ryan Burge's American-religion projections.
Multiple denominations (each self-reported; see README for exceptions) · Compiled by this site from multiple public sources
Every Religious Landscape Study tradition's share of U.S. adults, 2007 vs. 2023-24 - not just the Christian ones.
Pew Research Center · Pew Research Center
Brazil's Church membership growth since 1940, how it now compares to the rest of Latin America, where the country's smaller faiths concentrate, and the accelerating pace of its temples and missions.
The Church of Jesus Christ of Latter-day Saints; Brazilian Institute of Geography and Statistics (IBGE) · Compiled by this site from multiple public sources; IBGE 2022 Census (own tabulation)
The one Brazilian Census year that published a real, LDS-specific category — by state, by city, and against the Church's own membership rolls.
Brazilian Institute of Geography and Statistics (IBGE); The Church of Jesus Christ of Latter-day Saints · IBGE 2010 Census (SIDRA table 137); Church membership records via cumorah.com