Rainbow Nation
The New York Times has published An American Mosaic , an interactive map visualising the self-identified ancestry of Americans using data from the U.S. Census Bureau's American Community Survey. The map is accompanied by an article which explores how today's America reflects centuries of immigration and migration. The map uses colour to show the dominant ancestry in each census tract, drawing on responses from nearly 200 ancestry groups. A search bar lets you jump straight to any city, town or neighbourhood in the United States, or search for a specific ancestry group. Search for Italian, Vietnamese, Basque or Yemeni, for example, and the map highlights where those communities are most concentrated today. Zooming in reveals the ancestry mix of individual neighbourhoods, making it easy to explore how different communities overlap across the country. The accompanying article, How a Nation of Immigrants Traces Its Roots , makes excellent use of the map to uncover some of the fas...








