The document describes the population growth of Dar es Salaam, Tanzania over time. It notes the population was 40,000 in 1940, grew to 129,000 by 1960, 450,000 by 1990, and exceeded 1 million by 1997 and 2 million by 2007. Projections estimate the population will reach 5 million by 2020. Tables and diagrams show transportation and infrastructure networks in Dar es Salaam and plans for improving connectivity. Charts compare revenue from agricultural production in rural, peri-urban and urban areas, demonstrating greater income potential from irrigated farming near cities.