2022年8月24日 · It has a total land area of about 241,550 km2, most of which is covered by subsistence farmland and grasslands. The country had a population of 30.7 million people by 2009 mid-year (UBOS, 2009) and growing at an annual rate of 3.2%.The population is greatly dependent on agricultural related production for a living which is exerting a lot of ...