of the population from 76% in 1990 to 58.6% in 2020, as other ethnicities have increased. Immigrants from the islands of Britain and Ireland settled throughout the Commonwealth during the colonial period, a time when roughly three-fourths of immigrants came as indentured servants. Those who identify on the census as having "American ethnicity" are predominantly of English descent, but have ancestors who have been in North America for so long they choose to identify simply as American. The western mountains have many settlements that were founded by Scotch-Irish immigrants before the American Revolution. There are also sizable numbers of people of German descent in the northwestern mountains and Shenandoah Valley, and 10.3% of Virginians are estimated to have German ancestry, . The largest minority group in Virginia are Blacks and African Americans, who include about one-fifth of the population. Virginia was a major destination of the Atlantic slave trade, and the first generations of enslaved men, women, and children were brought primarily from Angola and the Bight of Biafra. The Igbo ethnic group of what is now southern Nigeria were the single largest African group among slaves in Virginia. Blacks in Virginia also have more European ancestry than those in other southern states, and DNA analysis shows many have asymmetrical male and female ancestry contributions from before the Civil War, evidence of European fathers and African or Native American mothers during the time of slavery. Though the Black population was reduced by the Great Migration to northern industrial cities in the first half of the 20th century, since 1965 there has been a reverse migration of Blacks returning south. The Commonwealth has the highest number of Black-white interracial marriages in the United States, and 8.2% of Virginians describe themselves as multiracial. More recent immigration in the late 20th century and early 21st century has resulted in new communities of Hispanics and Asians. , 10.5% of Virginia's total population describe themselves as Hispanic or Latino, and 8.8% as Asian. The state's Hispanic population rose by 92% from 2000 to 2010, with two-thirds of Hispanics in the state living in Northern Virginia. Northern Virginia also has a significant population of Vietnamese Americans, whose major wave of immigration followed the Vietnam War. Korean Americans have migrated more recently, attracted by the quality school system. The Filipino American community has about 45,000 in the Hampton Roads area, many of whom have ties to the