Shinyanga Region is one of Tanzania's 30 administrative regions. The regional capital is the municipality of Shinyanga. According to the 2012 national census, the region had a population of 1,534,808.:page 2 For 2002-2012, the region's 2.1 percent average annual population growth rate was the twentieth highest in the country.:page 4 It was also the tenth most densely populated region with 81 people per square kilometer.:page 6 With a size of 50,781 square kilometres (19,607 sq mi), the region is slightly smaller than Costa Rica (51,100 square kilometres (19,700 sq mi)).