**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	1,060,490	11.8%	88.2%
2023	1,049,947	11.9%	88.1%
2022	1,042,393	12.2%	87.8%
2021	1,035,063	12.2%	87.8%
2020	1,038,476	12.5%	87.5%
2019	1,027,207	13.0%	87.0%
2018	1,019,722	13.0%	87.0%
2017	1,007,257	12.8%	87.2%
2016	1,003,338	12.9%	87.1%
2015	998,537	12.9%	87.1%
2014	993,144	12.8%	87.2%
2013	986,891	12.8%	87.2%
2012	981,048	12.9%	87.1%
2011	974,181	13.2%	86.8%
2010	964,462	13.2%	86.8%

Nativity & Citizenship FAQs for Pima County, Arizona

Approximately 11.8% of residents in Pima County, Arizona were born outside the United States.

The vast majority of residents, roughly 94.8%, are U.S. citizens (including both native-born and naturalized citizens).

Pima County, Arizona Nativity & Citizenship Status (2024)