미국 인종별 인구 구성 (1965-2015) https://www.pewhispanic.org/2015/09/28/appendix-c-population-tables-1965-2065/ Modern Immigration Wave Brings 59 Million to U.S. Is being Hispanic a matter of race, ethnicity or both? www.pewresearch.org 주제별 자료/인구 2019.05.13