Us Religion Population 2025. For year 2030, united states population is expected to grow 2.9% from 2025. The world's leading authority on the quantitative future of religion shares how one can make projections of religious affliation.

According to an average of all 2023 gallup polling, about three in four americans said they identify with a specific religious faith. Nonresponse adjustments were made by adjusting the sample to match the national demographics of gender, age, race, hispanic ethnicity, education and region.