Latvia division. The borders of historical and cultural regions usually are not explicitly defined and in several sources may vary. In formal divisions, Riga region, which includes the capital and parts of other regions that have a strong relationship with the capital, is also often included in regional divisions; e.g., there are five planning regions of Latvia (), which were created in 2009 to promote balanced development of all regions. Under this division Riga region includes large parts of what traditionally is considered Vidzeme, Courland, and Zemgale. Statistical regions of Latvia, established in accordance with the EU Nomenclature of Territorial Units
Health in Latvia human capital with 23 health, education, and learning-adjusted expected years lived between age 20 and 64 years. As of 2009, there were approximately 8,600 inhabitants of Latvia living with HIV/AIDS, accounting for a 0.7% adult HIV prevalence rate. There were 32,376 (1.44%) individual instances of clinically reported alcoholism in Latvia in 2008, as well as cases of addictions to other substances. The annual number of births per 1,000 adolescent women aged 15 to 19 has declined from 49.9 in 1990 to 17.9 in 2007. In 2005, Latvia had a suicide rate of 24.5 per 100,000 inhabitants (down from 40.7 in