Simiyu Region is one of Tanzania’s 31 administrative regions. The regional capital is the town of Bariadi. The region was created in March 2012, from part of Shinyanga Region.
According to the 2012 national census, the region had a population of 1,584,157. For 2002–2012, the region’s 1.8 percent average annual population growth rate was the twenty-third-highest in the country. It was also the fifteenth-most-densely-populated region with 63 people per square kilometer.
