Native Americans in the United States reached the West Coast in the 1770s, smallpox rapidly killed at least 30% of Northwest Coast Native Americans. For the next eighty to one hundred years, smallpox and other diseases devastated native populations in the region. Puget Sound area populations, once estimated as high as 37,000 people, were reduced to only 9,000 survivors by the time settlers arrived en masse in the mid-19th century. Smallpox epidemics in 1780–82 and 1837–38 brought devastation and drastic depopulation among the Plains Indians. By 1832, the federal government established a smallpox vaccination program for Native Americans ("The Indian Vaccination Act of 1832"). It was
Scottish people English language. Today, Scotland has a population of just over five million people, the majority of whom consider themselves Scottish. In addition, there are many more people with Scots ancestry living abroad than the total population of Scotland. In the 2013 American Community Survey 5,310,285 identified as Scottish and 2,976,878 as of Scots-Irish descent. Americans of Scottish descent outnumber the population of Scotland, where 4,459,071 or 88.09% of people identified as ethnic Scottish in the 2001 Census. The number of Americans who have a Scottish ancestor is estimated to between 9 and 25 million (up to 8.3% of the total