Rwanda has a temperate tropical highland climate, with lower temperatures than are typical for equatorial countries because of its high elevation. Kigali, in the centre of the country, has a typical daily temperature range between 12 and 27 °C (54 and 81 °F), with little variation through the year.
According to the 2010 revison of the World Population Prospects the total population was 10 624 000 in 2010, compared to only 2 072 000 in 1950. The proportion of children below the age of 15 in 2010 was 42.6%, 54.7% was between 15 and 65 years of age, while 2.7% was 65 years or older .
In the pre-genocide era before 1994, Rwanda's healthcare was supported by the Bamako Initiative which was sponsored by UNICEF and WHO and adopted by African ministers of health in 1987.