There was a resurgence of malaria in the country in 2010, but the exact cause is unknown.Female life expectancy at birth was 65.1 years in between 2005 and 2010, and male life expectancy at 62.8 for the same time period. Healthy life expectancy at birth was at 64.7 years in 2011.
São Tomé (population 56,166 in 2005) is the capital city of São Tomé and Príncipe and is by far that nation's largest town. Its name is Portuguese for "Saint Thomas".
Almost all residents belong to the Roman Catholic, Evangelical Protestant, or Seventh-day Adventist churches, which in turn retain close ties with churches in Portugal. There is a small but growing Muslim population.