Table 1. Countries, WHO regions, adolescent population, HIV prevalence and sexual activity.
| Country | WHOregion¥ | Population of adolescents, 2010 (thousands) | HIV prevalence (%) [18] 18 | Sexual activity 10–14 years (%) [25] 25 | Sexual activity 15–19 years (%) [25] 25 | |||
| Boys | Girls | Boys | Girls | Boys | Girls | |||
| Angola | AFR D | 4 523 | 0,24 | 0,48 | 8,94* | 17,80* | 39,47* | 61,95* |
| Benin | AFR D | 2 100 | 0,12 | 0,24 | 13,10 | 12,30 | 47,40 | 53,60 |
| Botswana | AFR E | 431 | 2,49 | 4,30 | 14,32 | 13,77 | 45,96 | 54,70 |
| Burkina Faso | AFR D | 3 734 | 0,33 | 0,41 | 3,80 | 7,20 | 31,80 | 62,00 |
| Burundi | AFR E | 1 958 | 0,75 | 1,02 | 14,32 | 13,77 | 45,96 | 54,70 |
| Cameroon | AFR D | 4 520 | 0,62 | 1,29 | 11,10 | 19,60 | 50,40 | 68,20 |
| Central African Republic | AFR E | 1 034 | 0,82 | 1,07 | 14,32 | 13,77 | 45,96 | 54,70 |
| Chad | AFR D | 2 696 | 0,35 | 0,70 | 10,20 | 26,30 | 37,60 | 74,70 |
| Comoros | AFR D | 144 | 0,14 | 0,14 | 8,94* | 17,80* | 39,47* | 61,95* |
| Congo | AFR E | 858 | 0,60 | 0,99 | 26,90 | 23,50 | 74,30 | 80,90 |
| Cote d’Ivoire | AFR E | 4 892 | 0,61 | 0,82 | 15,40 | 19,30 | 54,30 | 70,80 |
| Democratic Republic of the Congo | AFR E | 16 410 | 1,32* | 2,30* | 14,32 | 13,77 | 45,96 | 54,70 |
| Equatorial Guinea | AFR D | 158 | 0,63 | 1,39 | 8,94* | 19,30* | 54,30* | 70,80* |
| Eritrea | AFR E | 1 135 | 0,18 | 0,18 | 14,32 | 13,77 | 45,96 | 54,70 |
| Ethiopia | AFR E | 20 466 | 1,32* | 2,30* | 1,70 | 15,80 | 14,10 | 48,60 |
| Gabon | AFR D | 344 | 0,58 | 1,11 | 8,94* | 13,77* | 45,96* | 54,70* |
| Gambia | AFR D | 399 | 0,25 | 0,65 | 8,94* | 13,77* | 45,96* | 54,70* |
| Ghana | AFR D | 5 420 | 0,25 | 0,45 | 4,30 | 7,80 | 26,80 | 41,20 |
| Guinea | AFR D | 2 357 | 0,21 | 0,35 | 17,10 | 21,90 | 54,40 | 69,70 |
| Guinea-Bissau | AFR D | 365 | 0,27 | 0,55 | 8,94* | 17,80* | 39,47* | 61,95* |
| Kenya | AFR E | 9 213 | 1,17 | 1,79 | 28,80 | 13,70 | 61,20 | 48,10 |
| Lesotho | AFR E | 517 | 2,63 | 5,03 | 13,10 | 6,40 | 48,90 | 38,00 |
| Liberia | AFR D | 946 | 0,25 | 0,34 | 8,50 | 17,20 | 53,60 | 79,80 |
| Madagascar | AFR D | 4 803 | 0,04 | 0,04 | 8,60 | 15,00 | 52,70 | 58,70 |
| Malawi | AFR E | 3 888 | 1,63 | 2,54 | 13,70 | 14,80 | 47,70 | 57,10 |
| Mali | AFR D | 3 158 | 0,16 | 0,223 | 5,40 | 24,70 | 27,40 | 73,00 |
| Mauritania | AFR D | 752 | 0,13 | 0,14 | 8,94* | 17,80* | 39,47* | 61,95* |
| Mozambique | AFR E | 5 394 | 0,96 | 2,34 | 26,40 | 28,00 | 64,10 | 78,70 |
| Niger | AFR D | 3 646 | 0,09 | 0,15 | 5,00 | 29,70 | 22,70 | 72,90 |
| Nigeria | AFR D | 36 152 | 0,55 | 1,01 | 5,70 | 15,70 | 25,60 | 47,80 |
| Rwanda | AFR E | 2 245 | 0,51 | 0,61 | 13,20 | 3,90 | 26,30 | 19,10 |
| Sao Tome and Principe | AFR D | 40 | 0,29* | 0,56* | 8,94* | 17,80* | 39,47* | 61,95* |
| Senegal | AFR D | 3 073 | 0,08 | 0,19 | 12,40 | 9,40 | 37,90 | 36,90 |
| Sierra Leone | AFR D | 1 296 | 0,16 | 0,32 | 11,00 | 24,60 | 44,80 | 66,80 |
| South Africa | AFR E | 9 979 | 1,64 | 4,22 | 14,32 | 13,77 | 45,96 | 54,70 |
| Swaziland | AFR E | 309 | 2,32 | 4,81 | 4,80 | 6,90 | 36,70 | 46,30 |
| Togo | AFR D | 1 552 | 0,36 | 0,72 | 8,94* | 17,80* | 39,47* | 61,95* |
| Uganda | AFR E | 8 334 | 1,17 | 1,88 | 12,20 | 15,50 | 49,90 | 64,20 |
| United Republic of Tanzania | AFR E | 10 275 | 0,91 | 1,49 | 9,40 | 12,40 | 43,20 | 62,50 |
| Zambia | AFR E | 3 179 | 1,94 | 3,10 | 16,00 | 13,50 | 50,60 | 59,80 |
| Zimbabwe | AFR E | 3 291 | 2,67 | 3,65 | 4,50 | 5,30 | 26,20 | 37,00 |
| Bolivia | AMR D | 2 213 | 0,04 | 0,05 | 12,50 | 7,00 | 60,00 | 40,10 |
| Brazil | AMR B | 33 821 | 0,12* | 0,16* | 27,60 | 10,80 | 68,20 | 46,75 |
| Guatemala | AMR D | 3 389 | 0,12 | 0,09 | 27,60 | 10,80 | 68,20 | 46,75 |
| Haiti | AMR D | 2 298 | 0,35 | 0,57 | 42,70 | 14,60 | 76,40 | 53,40 |
| Mexico | AMR B | 20 915 | 0,04 | 0,04 | 27,60 | 10,80 | 68,20 | 46,75 |
| Peru | AMR D | 5 822 | 0,06 | 0,04 | 27,60 | 10,80 | 68,20 | 46,75 |
| Afghanistan | EMR D | 7 018 | 0,13* | 0,27* | 8,94± | 13,50± | 39,47± | 53,40± |
| Djibouti | EMR D | 200 | 0,50 | 1,01 | 8,94± | 13,50± | 39,47± | 53,40± |
| Egypt | EMR D | 16 543 | 0,01 | 0,01 | 8,94± | 13,50± | 39,47± | 53,40± |
| Iraq | EMR D | 7 395 | 0,13* | 0,27* | 8,94± | 13,50± | 39,47± | 53,40± |
| Morocco | EMR D | 6 210 | 0,03 | 0,03 | 8,94± | 13,50± | 39,47± | 53,40± |
| Pakistan | EMR D | 40 753 | 0,02 | 0,01 | 8,94± | 13,50± | 39,47± | 53,40± |
| Somalia | EMR D | 2 088 | 0,11 | 0,19 | 8,94± | 13,50± | 39,47± | 53,40± |
| Sudan | EMR D | 9 936 | 0,13 | 0,39 | 8,94± | 13,50± | 39,47± | 53,40± |
| Yemen | EMR D | 6 073 | 0,13* | 0,27* | 8,94± | 13,50± | 39,47± | 53,40± |
| Azerbaijan | EUR B | 1 570 | 0,01 | 0,07 | 0,60 | 0,50 | 22,10 | 11,50 |
| Kyrgyzstan | EUR B | 1 116 | 0,02 | 0,02 | 8,94± | 13,50± | 39,47± | 53,40± |
| Tajikistan | EUR B | 1 694 | 0,01 | 0,01 | 8,94± | 13,50± | 39,47± | 53,40± |
| Turkmenistan | EUR B | 1 043 | 0,01* | 0,03* | 8,94± | 13,50± | 39,47± | 53,40± |
| Uzbekistan | EUR B | 5 972 | 0,01 | 0,01 | 8,94± | 13,50± | 39,47± | 53,40± |
| Bangladesh | SEAR D | 33 976 | 0,00 | 0,00 | 3,15 | 8,80 | 19,45 | 46,70 |
| Democratic People’s Republic of Korea | SEAR D | 3 940 | 0,04* | 0,04* | 3,15 | 8,80 | 19,45 | 46,70 |
| India | SEAR D | 244 515 | 0,04 | 0,04 | 2,30 | 10,10 | 11,20 | 43,00 |
| Indonesia | SEAR B | 40 919 | 0,01 | 0,01 | 3,15 | 8,80 | 19,45 | 46,70 |
| Myanmar | SEAR D | 8 838 | 0,12 | 0,11 | 3,15 | 8,80 | 19,45 | 46,70 |
| Nepal | SEAR D | 6 929 | 0,06 | 0,05 | 4,00 | 7,50 | 27,70 | 50,40 |
| Cambodia | WPR B | 3 534 | 0,12 | 0,13 | 0,30 | 0,90 | 8,00 | 19,00 |
| China | WPR B | 200 668 | 0,07* | 0,08 | 1,00 | 0,97 | 9,60 | 14,80 |
| Lao People’s Democratic Republic | WPR B | 1 585 | 0,06 | 0,06 | 1,00 | 0,97 | 9,60 | 14,80 |
| Papua New Guinea | WPR B | 1 563 | 0,12 | 0,17 | 1,00 | 0,97 | 9,60 | 14,80 |
| Philippines | WPR B | 19 870 | 0,00 | 0,01 | 2,40 | 1,50 | 17,50 | 14,90 |
| Solomon Islands | WPR B | 121 | 0,07* | 0,08* | 1,00 | 0,97 | 9,60 | 14,80 |
| Viet Nam | WPR B | 16 815 | 0,01 | 0,01 | 0,30 | 0,50 | 3,30 | 10,50 |
¥
AFR D (African Region D), AFR E (African Region E), AMR B (Region of the Americas B), AMR D (Region of the Americas D), EMR D (Eastern Mediterranean Region D), EUR B (European Region B), SEAR B (South-East Asia Region B), SEAR D (South-East Asia Region D) & WPR B (Western Pacific Region B).
*
Regional average was applied
±
Global average of all 74 countries was applied.