Table 3:
Number of patients with obstructive sleep apnoea and prevalence of obstructive sleep apnoea by country
| Population aged 30–69 years | AHI ≥5 events per h | AHI ≥15 events per h | |
|---|---|---|---|
| Afghanistan | 8 429 549 | 3 040 802 (36·1%) | 1 171 173 (13·9%) |
| Albania | 1 357 655 | 850 606 (62·7%) | 467 163 (34·4%) |
| Algeria | 16 435 999 | 8 807 804 (53·6%) | 3 389 447 (20·6%) |
| Angola | 6 091 184 | 3 670 768 (60·3%) | 1 392 665 (22·9%) |
| Antigua and Barbuda | 42 485 | 10 181 (24·0%) | 3010 (7·1%) |
| Argentina | 19 016 260 | 5 443 083 (28·6%) | 2 490 616 (13·1%) |
| Armenia | 1 513 141 | 768 580 (50·8%) | 380 977 (25·2%) |
| Aruba | 56 900 | 13 896 (24·4%) | 2736 (4·8%) |
| Australia | 12 110 362 | 2 966 536 (24·5%) | 581 348 (4·8%) |
| Austria | 4 601 766 | 2 241 500 (48·7%) | 1 306 180 (28·4%) |
| Azerbaijan | 4 622 249 | 1 975 143 (42·7%) | 1 116 199 (24·1%) |
| Bahamas | 189 235 | 45 418 (24·0%) | 13 296 (7·0%) |
| Bahrain | 679 684 | 496 137 (73·0%) | 214 997 (31·6%) |
| Bangladesh | 62 623 678 | 5 983 546 (9·6%) | 3 381 433 (5·4%) |
| Barbados | 147 687 | 35 406 (24·0%) | 10 439 (7·1%) |
| Belarus | 5 155 802 | 1 068 785 (20·7%) | 708 401 (13·7%) |
| Belgium | 5 917 763 | 1 801 591 (30·4%) | 931 859 (15·7%) |
| Belize | 128 677 | 30 922 (24·0%) | 8982 (7·0%) |
| Benin | 3 096 334 | 1 865 770 (60·3%) | 707 741 (22·9%) |
| Bhutan | 310 278 | 137 202 (44·2%) | 51 229 (16·5%) |
| Bolivia | 3 816 716 | 1 592 038 (41·7%) | 812 240 (21·3%) |
| Bosnia and Herzegovina | 2 185 242 | 1 075 346 (49·2%) | 626 902 (28·7%) |
| Botswana | 826 982 | 410 657 (49·7%) | 152 857 (18·5%) |
| Brazil | 98 118 248 | 48 729 844 (49·7%) | 25 481 720 (26·0%) |
| Brunei | 205 295 | 158 488 (77·2%) | 69 390 (33·8%) |
| Bulgaria | 4 008 872 | 1 943 121 (48·5%) | 1 132 070 (28·2%) |
| Burkina Faso | 4 632 827 | 434 092 (9·4%) | 250 858 (5·4%) |
| Burundi | 2 912 564 | 276 938 (9·5%) | 157 378 (5·4%) |
| Cape Verde | 181 546 | 99 348 (54·7%) | 40 543 (22·3%) |
| Cambodia | 5 791 914 | 537 020 (9·3%) | 314 087 (5·4%) |
| Cameroon | 6 304 367 | 2 313 265 (36·7%) | 929 799 (14·7%) |
| Canada | 19 273 831 | 4 721 439 (24·5%) | 925 209 (4·8%) |
| Central African Republic | 1 443 196 | 267 053 (18·5%) | 100 838 (7·0%) |
| Chad | 3 268 977 | 1 384 009 (42·3%) | 586 746 (17·9%) |
| Chile | 8 809 775 | 1 671 811 (19·0%) | 954 857 (10·8%) |
| China | 744 511 252 | 175 704 655 (23·6%) | 65 516 990 (8·8%) |
| Colombia | 22 074 042 | 10 953 050 (49·6%) | 5 721 534 (25·9%) |
| Comoros | 235 465 | 116 985 (49·7%) | 43 546 (18·5%) |
| Congo | 1 344 345 | 498 468 (37·1%) | 191 977 (14·3%) |
| Costa Rica | 2 237 598 | 548 017 (24·5%) | 107 424 (4·8%) |
| Côte d’Ivoire | 6 367 814 | 3 835 249 (60·2%) | 1 453 687 (22·8%) |
| Croatia | 2 312 850 | 473 908 (20·5%) | 276 871 (12·0%) |
| Cuba | 6 188 715 | 3 096 611 (50·0%) | 1 633 275 (26·4%) |
| Curacao | 81 939 | 27 359 (33·4%) | 8404 (10·3%) |
| Cyprus | 603 532 | 175 258 (29·0%) | 101 317 (16·8%) |
| Czech Republic | 5 973 449 | 1 726 302 (28·9%) | 994 554 (16·6%) |
| Democratic Republic of the Congo | 19 722 105 | 1 870 886 (9·5%) | 1 066 027 (5·4%) |
| Denmark | 2 927 893 | 1 430 836 (48·9%) | 833 901 (28·5%) |
| Djibouti | 310 917 | 115 180 (37·0%) | 44 360 (14·3%) |
| Dominican Republic | 4 125 868 | 2 055 301 (49·8%) | 1 078 533 (26·1%) |
| Ecuador | 6 442 389 | 2 682 640 (41·6%) | 1 366 852 (21·2%) |
| Egypt | 34 241 981 | 17 065 251 (49·8%) | 9 373 686 (27·4%) |
| El Salvador | 2 385 301 | 930 046 (39·0%) | 518 118 (21·7%) |
| Equatorial Guinea | 269 554 | 151 455 (56·2%) | 62 203 (23·1%) |
| Eritrea | 1 444 877 | 136 808 (9·5%) | 78 120 (5·4%) |
| Estonia | 686 893 | 141 780 (20·6%) | 94 804 (13·8%) |
| eSwatini | 348 096 | 158 683 (45·6%) | 67 383 (19·4%) |
| Ethiopia | 27 021 835 | 2 555 467 (9·5%) | 1 461 244 (5·4%) |
| Federated States of Micronesia | 31 811 | 7651 (24·1%) | 2211 (6·9%) |
| Fiji | 382 118 | 159 154 (41·7%) | 90 765 (23·8%) |
| Finland | 2 894 948 | 1 458 419 (50·4%) | 853 928 (29·5%) |
| France | 32 613 385 | 23 506 723 (72·1%) | 11 836 999 (36·3%) |
| French Polynesia | 133 978 | 56 102 (41·9%) | 32 053 (23·9%) |
| Gabon | 543 329 | 302 567 (55·7%) | 124 000 (22·8%) |
| Gambia | 503 578 | 303 519 (60·3%) | 115 181 (22·9%) |
| Georgia | 2 021 511 | 510 200 (25·2%) | 212 087 (10·5%) |
| Germany | 43 751 645 | 26 279 946 (60·1%) | 14 393 964 (32·9%) |
| Ghana | 8 651 157 | 3 100 709 (35·8%) | 1 251 736 (14·5%) |
| Greece | 5 966 188 | 1 708 436 (28·6%) | 782 555 (13·1%) |
| Grenada | 41 701 | 17 361 (41·6%) | 9899 (23·7%) |
| Guam | 76 175 | 49 640 (65·2%) | 20 063 (26·3%) |
| Guatemala | 5 115 784 | 2 619 198 (51·2%) | 1 303 428 (25·5%) |
| Guinea | 3 554 378 | 655 324 (18·4%) | 247 498 (7·0%) |
| Guinea-Bissau | 544 150 | 203 608 (37·4%) | 78 415 (14·4%) |
| Guyana | 315 281 | 101 440 (32·2%) | 60 003 (19·0%) |
| Haiti | 3 652 569 | 2 586 019 (70·8%) | 1 114 034 (30·5%) |
| Honduras | 2 770 841 | 1 473 684 (53·2%) | 746 876 (27·0%) |
| Hong Kong | 4 377 697 | 340 901 (7·8%) | 229 985 (5·3%) |
| Hungary | 5 445 718 | 2 104 733 (38·6%) | 1 139 523 (20·9%) |
| Iceland | 162 564 | 25 372 (15·6%) | 19 136 (11·8%) |
| India | 534 676 709 | 51 556 642 (9·6%) | 28 831 856 (5·4%) |
| Indonesia | 114 334 042 | 21 020 883 (18·4%) | 7 940 317 (6·9%) |
| Iran | 36 179 787 | 15 136 458 (41·8%) | 7 739 991 (21·4%) |
| Iraq | 10 771 896 | 2 734 061 (25·4%) | 1 303 288 (12·1%) |
| Ireland | 2 447 445 | 599 525 (24·5%) | 117 487 (4·8%) |
| Israel | 3 465 330 | 848 255 (24·5%) | 166 411 (4·8%) |
| Italy | 33 020 571 | 6 774 829 (20·5%) | 3 959 253 (12·0%) |
| Jamaica | 1 176 758 | 483 534 (41·1%) | 274 482 (23·3%) |
| Japan | 67 496 374 | 22 092 507 (32·7%) | 9 435 205 (14·0%) |
| Jordan | 2 636 480 | 751 598 (28·5%) | 413 338 (15·7%) |
| Kazakhstan | 7 774 654 | 3 779 915 (48·6%) | 1 862 950 (24·0%) |
| Kenya | 13 024 588 | 4 838 661 (37·2%) | 1 863 525 (14·3%) |
| Kiribati | 38 538 | 12 573 (32·6%) | 5486 (14·2%) |
| Kuwait | 2 012 453 | 377 748 (18·8%) | 146 612 (7·3%) |
| Kyrgyzstan | 2 226 975 | 1 170 950 (52·6%) | 590 266 (26·5%) |
| Laos | 2 144 108 | 377 558 (17·6%) | 132 705 (6·2%) |
| Latvia | 1 037 979 | 215 042 (20·7%) | 142 707 (13·7%) |
| Lebanon | 2 446 505 | 709 282 (29·0%) | 334 845 (13·7%) |
| Lesotho | 607 425 | 299 273 (49·3%) | 111 379 (18·3%) |
| Liberia | 1 306 827 | 478 462 (36·6%) | 192 392 (14·7%) |
| Libya | 2 692 584 | 437 964 (53·4%) | 796 612 (29·6%) |
| Lithuania | 1 492 888 | 426 074 (28·5%) | 243 247 (16·3%) |
| Luxembourg | 308 327 | 78 855 (25·6%) | 48 029 (15·6%) |
| Macao | 347 288 | 27 507 (7·9%) | 18 609 (5·4%) |
| Macedonia | 1 116 387 | 561 099 (50·3%) | 328 508 (29·4%) |
| Madagascar | 6 863 789 | 651 925 (9·5%) | 370 938 (5·4%) |
| Malawi | 4 141 023 | 1 743 713 (42·1%) | 739 079 (17·8%) |
| Malaysia | 13 270 264 | 10 244 644 (77·2%) | 4 485 349 (33·8%) |
| Maldives | 140 459 | 104 079 (74·1%) | 45 157 (32·1%) |
| Mali | 4 343 219 | 2 837 614 (65·3%) | 1 149 316 (26·5%) |
| Malta | 225 879 | 79 359 (35·1%) | 36 769 (16·3%) |
| Mauritania | 1 252 071 | 621 950 (49·7%) | 231 508 (18·5%) |
| Mauritius | 658 995 | 328 627 (49·9%) | 172 660 (26·2%) |
| Mexico | 52 649 824 | 9 921 240 (18·8%) | 5 655 904 (10·7%) |
| Moldova | 2 144 482 | 1 116 710 (52·1%) | 560 328 (26·1%) |
| Mongolia | 1 238 490 | 632 863 (51·1%) | 267 839 (21·6%) |
| Montenegro | 324 337 | 98 333 (30·3%) | 59 139 (18·2%) |
| Morocco | 14 584 119 | 6 974 795 (47·8%) | 3 472 365 (23·8%) |
| Mozambique | 7 104 990 | 2 763 293 (38·9%) | 1 064 150 (15·0%) |
| Namibia | 773 988 | 379 296 (49·0%) | 141 145 (18·2%) |
| Nepal | 10 032 271 | 6 585 332 (65·6%) | 2 677 534 (26·7%) |
| Netherlands | 9 050 266 | 4 430 942 (49·0%) | 2 582 583 (28·5%) |
| New Caledonia | 125 207 | 51 992 (41·5%) | 29 620 (23·7%) |
| New Zealand | 2 256 063 | 227 248 (10·1%) | 68 590 (3·0%) |
| Nicaragua | 2 282 569 | 919 626 (40·3%) | 518 443 (22·7%) |
| Niger | 4 811 710 | 463 647 (9·6%) | 259 493 (5·4%) |
| Nigeria | 51 068 452 | 30 766 820 (60·2%) | 11 667 219 (22·8%) |
| North Korea | 12 477 221 | 5 303 362 (42·5%) | 2 248 695 (18·0%) |
| Norway | 2 684 446 | 593 951 (22·1%) | 351 443 (13·1%) |
| Oman | 2 028 410 | 1 110 702 (54·8%) | 643 631 (31·7%) |
| Pakistan | 63 098 158 | 41 569 793 (65·9%) | 17 041 309 (27·0%) |
| Panama | 1 685 593 | 697 036 (41·4%) | 396 546 (23·5%) |
| Papua New Guinea | 2 560 672 | 1 281 720 (50·1%) | 676 302 (26·4%) |
| Paraguay | 2 441 919 | 1 476 456 (60·5%) | 745 739 (30·5%) |
| Peru | 12 928 630 | 6 873 395 (53·2%) | 3 482 848 (26·9%) |
| Philippines | 37 976 672 | 15 791 279 (41·6%) | 5 895 648 (15·5%) |
| Poland | 21 519 587 | 7 554 166 (35·1%) | 3 823 093 (17·8%) |
| Portugal | 5 691 681 | 967 049 (17·0%) | 713 458 (12·5%) |
| Puerto Rico | 1 807 598 | 892 217 (49·4%) | 463 203 (25·6%) |
| Qatar | 1 154 042 | 359 550 (31·2%) | 214 436 (18·6%) |
| Romania | 10 861 099 | 5 223 068 (48·1%) | 3 041 952 (28·0%) |
| Russia | 78 239 383 | 40 203 912 (51·4%) | 20 043 199 (25·6%) |
| Rwanda | 3 315 948 | 1 511 839 (45·6%) | 642 777 (19·4%) |
| Saint Lucia | 84 561 | 27 871 (33·0%) | 12 180 (14·4%) |
| Saint Vincent and the Grenadines | 49 135 | 20 548 (41·8%) | 11 735 (23·9%) |
| Samoa | 64 569 | 21 696 (33·6%) | 9509 (14·7%) |
| São Tomé and Principe | 52 190 | 28 630 (54·9%) | 11 691 (22·4%) |
| Saudi Arabia | 14 300 262 | 3 491 177 (24·4%) | 913 235 (6·4%) |
| Senegal | 4 064 706 | 1 577 592 (38·8%) | 607 536 (14·9%) |
| Serbia | 4 730 407 | 2 343 842 (49·5%) | 1 371 614 (29·0%) |
| Seychelles | 47 600 | 19 944 (41·9%) | 11 397 (23·9%) |
| Sierra Leone | 1 824 011 | 684 252 (37·5%) | 263 523 (14·4%) |
| Singapore | 3 237 710 | 2 292 299 (70·8%) | 987 502 (30·5%) |
| Slovakia | 3 059 176 | 1 415 361 (46·3%) | 824 991 (27·0%) |
| Slovenia | 1 162 317 | 632 758 (54·4%) | 360 969 (31·1%) |
| Solomon Islands | 183 167 | 100 926 (55·1%) | 41 256 (22·5%) |
| Somalia | 2 669 125 | 1 138 978 (42·7%) | 483 018 (18·1%) |
| South Africa | 20 931 899 | 8 448 087 (40·4%) | 4 765 612 (22·8%) |
| South Korea | 28 715 868 | 8 164 156 (28·4%) | 3 255 814 (11·3%) |
| South Sudan | 3 418 246 | 1 448 320 (42·4%) | 614 029 (18·0%) |
| Spain | 26 158 266 | 9 195 448 (35·2%) | 4 233 728 (16·2%) |
| Sri Lanka | 9 950 827 | 4 054 922 (40·7%) | 1 513 847 (15·2%) |
| Sudan | 12 004 972 | 1 141 322 (9·5%) | 648 692 (5·4%) |
| Suriname | 237 958 | 98 649 (41·5%) | 56 170 (23·6%) |
| Sweden | 4 918 210 | 836 190 (17·0%) | 626 258 (12·7%) |
| Switzerland | 4 518 615 | 3 269 301 (72·4%) | 1 654 232 (36·6%) |
| Syria | 6 085 585 | 3 204 881 (52·7%) | 1 770 598 (29·1%) |
| Taiwan | 13 539 701 | 3 195 369 (23·6%) | 1 191 494 (8·8%) |
| Tajikistan | 2 797 823 | 1 074 632 (38·4%) | 657 685 (23·5%) |
| Tanzania | 14 004 347 | 5 225 916 (37·3%) | 2 012 654 (14·4%) |
| Thailand | 37 728 597 | 13 743 556 (36·4%) | 5 531 503 (14·7%) |
| Timor Leste | 331 218 | 31 787 (9·6%) | 17 873 (5·4%) |
| Togo | 2 088 857 | 1 259 007 (60·3%) | 477 774 (22·9%) |
| Tonga | 34 943 | 11 485 (32·9%) | 5017 (14·4%) |
| Trinidad and Tobago | 699 011 | 167 969 (24·0%) | 48 803 (7·0%) |
| Tunisia | 5 283 180 | 2 187 476 (41·4%) | 1 109 698 (21·0%) |
| Turkey | 35 176 270 | 3 714 957 (10·6%) | 2 797 599 (8·0%) |
| Turkmenistan | 2 163 412 | 1 136 509 (52·5%) | 645 683 (29·8%) |
| Uganda | 8 850 820 | 3 751 125 (42·4%) | 1 590 342 (18·0%) |
| Ukraine | 24 593 547 | 12 691 100 (51·6%) | 7 194 877 (29·3%) |
| United Arab Emirates | 5 433 364 | 950 096 (17·5%) | 360 948 (6·6%) |
| UK | 32 936 962 | 8 065 555 (24·5%) | 1 581 374 (4·8%) |
| USA | 163 246 772 | 54 131 654 (33·2%) | 23 678 109 (14·5%) |
| Uruguay | 1 578 418 | 386 221 (24·5%) | 75 813 (4·8%) |
| Uzbekistan | 11 817 125 | 6 182 507 (52·3%) | 3 510 756 (29·7%) |
| Vanuatu | 89 478 | 44 758 (50·0%) | 23 599 (26·4%) |
| Venezuela | 12 968 894 | 4 243 846 (32·7%) | 1 269 241 (9·8%) |
| Vietnam | 43 025 626 | 4 070 306 (9·5%) | 2 326 560 (5·4%) |
| Virgin Islands | 53 922 | 12 913 (23·9%) | 3833 (7·1%) |
| Western Sahara | 271 213 | 149 225 (55·0%) | 58 160 (21·4%) |
| Yemen | 7 284 023 | 3 422 350 (47·0%) | 1 424 088 (19·6%) |
| Zambia | 3 950 721 | 729 005 (18·5%) | 275 312 (7·0%) |
| Zimbabwe | 4 064 530 | 1 092 368 (26·9%) | 408 656 (10·1%) |
Data are n (%). Based on apnoea-hypopnoea index (AHI) cutoff values of five or more events per h and 15 or more events per h.