Immigration Statistics Fast Facts

People reach through the wall from the Mexican side at the conclusion of the Hugs Not Walls event on the U.S.-Mexico border on October 13, 2018 in Sunland Park, New Mexico. More than 200 families with mixed immigration status living in the U.S. were allowed to reunify with relatives in Mexico for three minutes after Border Patrol briefly opened the border wall to allow the reunions.

(CNN)Here's a look at immigration to the United States.

Legal Immigration Statistics:
2017 - 1,127,167 people are granted lawful permanent residence in the United States. The top countries of origin of these "green card" recipients, or LPRs:
-- Mexico = 168,980
    -- China = 66,479
    -- Cuba = 64,749
    -- Dominican Republic = 58,348
    -- India = 57,155
    2017 - The top US states where legal permanent residents live are:
    -- California = 214,243
    -- New York = 139,409
    -- Florida = 127,609
    -- Texas = 110,126
    -- New Jersey = 54,440
    Residents becoming naturalized citizens in 2017 had spent a median of eight years in LPR status. Immigrants born in Asia and Africa had the shortest wait time, six years, while those from North America had the longest wait time, 11 years.
    Undocumented Immigration Statistics:
    2017 - The Department of Homeland Security estimates that there were 12.1 million unauthorized immigrants living in the United States in 2014, up from 11.6 million in 2010. The top countries of origin are:
    -- Mexico = 6.6 million
    -- El Salvador = 700,000
    -- Guatemala = 640,000
    -- India = 430,000
    -- Honduras = 400,000
    -- Philippines = 360,000
    2014 - The top US states where unauthorized immigrants settle are:
    -- California (24%)
    -- Texas (16%)
    -- Florida (6%)
    -- New York (5%)
    -- Illinois (5%)
    Unaccompanied Alien Children:
    "Unaccompanied alien children" (UAC - term used by US Customs and Border Protection) are referred to the Office of Refugee Resettlement, part of the Department of Health and Human Services, for care while their immigration cases are adjudicated:
    -- FY2017 - 40,810
    -- FY2016 - 59,170
    -- FY2015 - 33,726
    -- FY2014 - 57,496
    The top countries of origin for UAC (FY2017):
    -- Guatemala (45%)
    -- El Salvador (27%)
    -- Honduras (23%)
    About 68% of UAC are boys (FY2017).
      About 37% of UAC are between 15 and 16 years old (FY2017).
      The average length of stay in shelter care was 41 days (FY2017).