Zambia and south covering about three-quarters of the country; and the Congo basin in the north covering about one-quarter of the country. A very small area in the northeast forms part of the internal drainage basin of Lake Rukwa in Tanzania. In the Zambezi basin, there are a number of major rivers flowing wholly or partially through Zambia: the Kabompo, Lungwebungu, Kafue, Luangwa, and the Zambezi itself, which flows through the country in the west and then forms its southern border with Namibia, Botswana and Zimbabwe. Its source is in Zambia but it diverts into Angola, and a number of its
Zimbabweans in Zambia in bulk in Zambia and then bring it back to Zimbabwe for sale have been blamed for food shortages in border areas. Among Zimbabweans who have moved to Zambia are a small number of white Zimbabwean farmers, whose numbers had reached roughly 150 to 300 people . They farm a variety of crops including tobacco, wheat, and chili peppers on an estimated 150 farms. The capital they brought, combined with general economic liberalisation under the late Zambian president Levy Mwanawasa, has been credited with stimulating an agricultural boom in Zambia. In 2004, for the first time in 26 years, Zambia