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. 2017 Mar 17;66(10):270–273. doi: 10.15585/mmwr.mm6610a2

FIGURE.

The figure above is a line chart showing suicide rates by level of county urbanization in the United States during 1999–2015.

Suicide rates* by level of county urbanization† — United States, 1999–2015

* Per 100,000 residents aged ≥10 years, age-adjusted to the year 2000 U.S. standard.

† The six classification levels for counties were 1) large central metro: part of a metropolitan statistical area with ≥1 million population and covers a principal city; 2) large fringe metro: part of a metropolitan statistical area with ≥1 million population but does not cover a principal city; 3) medium metro: part of a metropolitan statistical area with ≥250,000 but <1 million population; 4) small metro: part of a metropolitan statistical area with <250,000 population; 5) micropolitan (non-metro): part of a micropolitan statistical area (has an urban cluster of ≥10,000 but <50,000 population); and 6) non-core (non-metro): not part of a metropolitan or micropolitan statistical area.