| Region and Country | 1994 Population (millions) | Percent with access (%) | Number unserved (millions) | | Africa | 707 | 46 | 381 | | Latin America & the Caribbean | 473 | 80 | 97 | | Asia & the Pacific | 3,122 | 80 | 627 | | Western Asia | 81 | 88 | 10 | | Total | 4,383 | 74 | 1,115 | | Source: P.H. Gleick, 1998, "The World's Water 1998-1999" (Island Press, Washington, DC). | |