... 495 ,22 4 5 02, 287 5 02, 287 Population-estimates urban (1000) Africa developing AGG_COUNTRIES 20 5,568 21 4 ,26 9 22 3,156 23 2 ,23 5 24 1, 525 25 1,050 26 0,846 27 0,9 32 281,347 29 2,111 20 5,568 21 4 ,26 9 22 3,156 23 2 ,23 5 ... Afghanistan 2- 6 THE WATER ENCYCLOPEDIA: HYDROLOGIC DATA AND INTERNET RESOURCES Water Resources Based on the hydrographic systems, the country can be divided into four zones: † the northern basin (24 % ... 21 4 ,26 9 22 3,156 23 2 ,23 5 24 1, 525 25 1,050 26 0,846 27 0,9 32 281,347 29 2,111 303 ,24 5 303 ,24 5 The tables above are an example of the output produced by FAO STAT, in this case rural and urban populations...