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Population & Demography
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In 2010, Bumbuli has an estimated population of 167,000 people. This is a 38% increase from 121,000 people in 1988 and a 19% increase from a population of 141,000 in 2002. On current projections, Bumbuli’s population may grow to 221,000 by 2025. 

The overall rate of Bumbuli’s population growth is slowing down substantially. From an annual rate of 1.8% between 1978 and 1988, the population growth almost halved to just 1.0% between 1988 and 2002.

Despite the slowing rate of population growth, Bumbuli is the most densely populated constituency in Lushoto. It has an estimated population density of 309 people per square kilometre compared to Lushoto district’s 142 and Tanzania’s 49. Bumbuli is home to 34% of Lushoto’s residents but accounts for only 14% of its land area.

Reflecting Tanzania’s overall youthful demographic profile, Bumbuli has a predominantly young population, with 55% of its population under the age of 20 and 76% under the age of 35. Almost half of all households are headed by women and the elderly. At the same time, Bumbuli is experiencing a high rate of out migration, with mostly young men who are leaving in search of opportunities elsewhere.


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