The U.S. Citizenship and Immigration Services (USCIS) is publishing fact sheets with information on the population that are eligible for naturalization in specific regions. These fact sheets provide information on select characteristics of people with Lawful Permanent Residence (LPR) status, also known as Green Card holders in the different regions of the country. I have included three of the regions below.
USCIS Factsheets (PDFs):
Source of Information:
USCIS (USCIS.gov), USCIS Newsroom: Fact Sheets