Kilimanjaro Region (Mkoa wa Kilimanjaro in Swahili) is one of Tanzania's 31 administrative regions. The regional capital and largest city is the municipality of Moshi. With the 3rd highest HDI of 0.640 in the country, Kilimanjaro is one among the top five most developed regions of Tanzania. According to the 2012 national census, the region had a population of 1,640,087, which was lower than the pre-census projection of 1,702,207. For 2002–2012, the region's 1.8 percent average annual population growth rate was the 24th highest in the country. It was also the eighth most densely populated region with 124 people per square kilometer. The most well-known tribes in the Kilimanjaro region are the Chaga.