| Country/region |
Approximate number of dementia cases in 2016 (uncertainty range) |
% change in age-standardised rates since 1990 |
| Global |
43,835,665 (37,756,336 to 51,028,051) |
1·7 (1·0 to 2·4) |
| High socio-demographic index (SDI) development |
15,164,211 (13,282,384 to 17,306,959) |
0·3 (-1·2 to 1·7) |
| High-middle SDI |
8,858,166 (7,587,609 to 10,305,640) |
8·1 (6·7 to 10·4) |
| Middle SDI |
13,200,041 (11,201,343 to 15,593,470) |
1·5 (0·7 to 2·3) |
| Low-middle SDI |
5,348,335 (4,509,649 to 6,326,468) |
-2·7 (-3·4 to -2·1) |
| Low SDI |
1,110,454 (934,598 to 1,315,691) |
-3·0 (-3·9 to -1·9) |
| High-income North America |
4,347,849 (3,975,725 to 4,734,147) |
-1·6 (-7·3 to 4·9) |
| Canada |
317,027 (280,886 to 352,468) |
-5·9 (-10·1 to -1·0) |
| Greenland |
151 (125 to 178) |
-4·0 (-7·1 to -0·5) |
| USA |
4,029,450 (3,696,312 to 4,387,981) |
-0·5 (-6·4 to 6·4) |
| Australasia |
251,413 (217,349 to 287,182) |
-9·1 (-15·4 to -4·0) |
| Australia |
211,208 (183,061 to 240,574) |
-9·2 (-16·5 to -3·1) |
| New Zealand |
40,206 (33,855 to 47,870) |
-8·4 (-15·1 to -3·5) |
| High-income Asia-Pacific |
4,216,158 (3,589,877 to 4,949,994) |
15·6 (13·7 to 17·4) |
| Brunei |
1,311 (1,119 to 1,530) |
-4·1 (-7·1 to -0·8) |
| Japan |
3,530,611 (2,999,793 to 4,177,416) |
17·8 (15·7 to 19·8) |
| Singapore |
37,905 (31,673 to 44,582) |
11·5 (0·5 to 26·8) |
| South Korea |
646,331 (558,444 to 744,282) |
-4·2 (-9·4 to 0·5) |
| Western Europe |
6,586,827 (5,634,206 to 7,629,868) |
-8·1 (-10·9 to -5·3) |
| Andorra |
1,253 (1,060 to 1,492) |
-4·9 (-8·4 to -1·6) |
| Austria |
126,914 (106,564 to 151,088) |
-3·9 (-7·3 to -0·1) |
| Belgium |
181,350 (153,218 to 215,482) |
-9·2 (-15·4 to -3·8) |
| Cyprus |
9,644 (8,181 to 11,464) |
-1·7 (-4·6 to 1·5) |
| Denmark |
55,336 (47,063 to 64,457) |
-20·1 (-29·4 to -13·7) |
| Finland |
83,950 (70,832 to 99,790) |
-7·4 (-13·6 to -2·7) |
| France |
877,760 (739,227 to 1,050,674) |
1·1 (?5·4 to 10·2) |
| Germany |
1,201,668 (996,430 to 1,425,812) |
-17·7 (-28·4 to -10·3) |
| Greece |
192,563 (161,441 to 229,260) |
-3·7 (-7·1 to -0·3) |
| Iceland |
3,373 (2,842 to 4,000) |
-6·5 (-9·6 to -3·7) |
| Ireland |
43,235 (36,676 to 51,258) |
-4·9 (-8·2 to -1·0) |
| Israel |
69,596 (58,898 to 82,970) |
-3·9 (-7·2 to -0·8) |
| Italy |
1,370,308 (1,152,154 to 1,583,588) |
-2·9 (-11·3 to 4·7) |
| Luxembourg |
5,022 (4,319 to 5,912) |
-10·9 (-17·7 to -5·4) |
| Malta |
5,145 (4,332 to 6,119) |
-4·5 (-7·7 to -1·2) |
| Netherlands |
192,425 (169,675 to 221,880) |
-16·8 (-24·8 to -8·7) |
| Norway |
67,207 (57,096 to 79,609) |
-9·7 (-16·1 to -4·0) |
| Portugal |
166,660 (139,562 to 201,560) |
-4·3 (-8·0 to -0·9) |
| Spain |
830,915 (712,248 to 952,265) |
-12·7 (-17·0 to -8·7) |
| Sweden |
142,735 (121,220 to 169,371) |
-4·0 (-9·0 to 0·4) |
| Switzerland |
115,476 (97,869 to 138,074) |
-6·1 (-10·6 to -2·2) |
| UK |
838,693 (708,801 to 995,493) |
-10·3 (-11·7 to -9·1) |
| Southern Latin America |
375,984 (315,602 to 448,261) |
-4·4 (-7·0 to -2·0) |
| Argentina |
243,618 (205,012 to 290,358) |
-4·0 (-7·1 to -0·7) |
| Chile |
104,523 (87,150 to 124,669) |
-5·9 (-12·4 to 0·0) |
| Uruguay |
27,817 (23,177 to 33,439) |
-4·6 (-7·4 to -1·7) |
| Eastern Europe |
1,554,081 (1,291,061 to 1,855,425) |
-1·2 (-3·7 to 1·3) |
| Belarus |
72,664 (60,673 to 87,181) |
-1·2 (-5·2 to 2·9) |
| Estonia |
13,540 (11,248 to 16,325) |
-1·6 (-6·1 to 2·5) |
| Latvia |
20,677 (17,216 to 24,940) |
-0·5 (-3·9 to 3·1) |
| Lithuania |
30,147 (25,142 to 36,420) |
-0·8 (-4·3 to 3·2) |
| Moldova |
20,777 (17,415 to 24,766) |
-1·6 (-4·5 to 1·9) |
| Russia |
1,025,660 (849,865 to 1,229,568) |
-1·0 (-4·8 to 3·1) |
| Ukraine |
370,615 (306,917 to 442,613) |
-1·6 (-4·8 to 2·2) |
| Central Europe |
1,033,615 (861,756 to 1,235,186) |
-3·5 (-6·8 to -1·4) |
| Albania |
18,048 (15,048 to 21,732) |
-1·6 (-5·3 to 2·9) |
| Bosnia and Herzegovina |
31,804 (26,614 to 37,994) |
-0·5 (-4·0 to 3·5) |
| Bulgaria |
76,346 (63,003 to 92,366) |
-0·6 (-4·8 to 2·8) |
| Croatia |
45,148 (37,772 to 53,815) |
-1·3 (-4·9 to 2·3) |
| Czech Republic |
96,200 (80,221 to 115,100) |
-1·4 (-4·9 to 2·6) |
| Hungary |
94,633 (78,970 to 113,490) |
-1·6 (-5·7 to 2·0) |
| Macedonia |
12,787 (10,606 to 15,262) |
0·3 (-3·4 to 4·0) |
| Montenegro |
4,553 (3,772 to 5,472) |
0·4 (-3·0 to 3·8) |
| Poland |
333,656 (277,898 to 399,034) |
-8·8 (-18·1 to -3·0) |
| Romania |
182,066 (151,548 to 217,820) |
-0·9 (-4·6 to 3·0) |
| Serbia |
76,985 (64,237 to 91,993) |
-0·4 (-3·8 to 3·5) |
| Slovakia |
39,642 (33,110 to 47,216) |
-1·3 (-4·9 to 2·8) |
| Slovenia |
21,745 (18,129 to 26,165) |
-2·4 (-5·5 to 1·3) |
| Central Asia |
247,867 (207,340 to 294,247) |
-0·9 (-2·6 to 0·9) |
| Armenia |
18,476 (15,412 to 22,206) |
-0·5 (-3·9 to 3·0) |
| Azerbaijan |
30,747 (25,808 to 36,580) |
0·4 (-3·1 to 3·9) |
| Georgia |
30,310 (25,251 to 36,053) |
0·2 (-3·7 to 4·3) |
| Kazakhstan |
56,927 (47,459 to 68,027) |
-0·8 (-4·7 to 2·7) |
| Kyrgyzstan |
13,141 (11,032 to 15,644) |
-0·2 (-4·2 to 3·6) |
| Mongolia |
5,635 (4,703 to 6,648) |
-0·2 (-3·6 to 3·2) |
| Tajikistan |
12,872 (10,841 to 15,131) |
-4·2 (-7·3 to -0·7) |
| Turkmenistan |
10,455 (8,785 to 12,366) |
-2·3 (-5·6 to 1·1) |
| Uzbekistan |
69,303 (57,761 to 81,697) |
-0·9 (-4·5 to 2·5) |
| Central Latin America |
1,268,251 (1,073,553 to 1,503,468) |
-5·2 (-6·5 to -4·2) |
| Colombia |
248,583 (210,857 to 295,501) |
-4·9 (-7·8 to -1·8) |
| Costa Rica |
31,865 (26,781 to 37,969) |
-4·2 (-7·3 to -0·7) |
| El Salvador |
37,416 (31,301 to 44,669) |
-3·7 (-7·4 to -0·5) |
| Guatemala |
57,458 (48,152 to 67,876) |
-2·6 (-5·8 to 0·7) |
| Honduras |
30,015 (25,259 to 35,678) |
-4·3 (-7·5 to -1·3) |
| Mexico |
679,581 (571,934 to 806,887) |
-3·9 (-5·0 to -3·0) |
| Nicaragua |
25,410 (21,451 to 30,239) |
-3·9 (-7·4 to -0·5) |
| Panama |
22,348 (18,867 to 26,700) |
-6·6 (-9·9 to -3·2) |
| Venezuela |
135,574 (115,292 to 158,925) |
-13·4 (-20·5 to -8·6) |
| Andean Latin America |
201,807 (171.097 to 237,657) |
-6·0 (-8·5 to -3·6) |
| Bolivia |
38,118 (31,800 to 45,400) |
-3·5 (-6·2 to -0·5) |
| Ecuador |
55,865 (47,213 to 65,937) |
-5·1 (-8·3 to -1·8) |
| Peru |
107,824 (91,186 to 126,723) |
-7·5 (-11·6 to -3·4) |
| Caribbean |
244,819 (206,229 to 289,536) |
-4·9 (-6·5 to -3·2) |
| Antigua and Barbuda |
372 (312 to 439) |
-1·6 (-5·1 to 1·8) |
| The Bahamas |
1,688 (1,413 to 2,012) |
0·5 (?-·5 to 4·4) |
| Barbados |
2,224 (1,869 to 2,641) |
-2·0 (-5·3 to 1·7) |
| Belize |
707 (599 to 836) |
-3·9 (-7·1 to -0·7) |
| Bermuda |
356 (301 to 423) |
-4·0 (-7·3 to -0·8) |
| Cuba |
103,227 (86,496 to 122,320) |
-4·8 (-7·9 to -1·4) |
| Dominica |
357 (299 to 427) |
-3·5 (-6·9 to -0·4) |
| Dominican Republic |
39,760 (33,575 to 47,321) |
-6·2 (-9·4 to -3·1) |
| Grenada |
449 (375 to 534) |
-2·7 (-5·8 to 0·5) |
| Guyana |
1.850 (1.570 to 2.186) |
-1·6 (-5·2 to 1·5) |
| Haiti |
24,561 (20,588 to 29,210) |
-6·3 (-9·5 to -2·6) |
| Jamaica |
15,075 (12,743 to 17,797) |
-4·3 (-7·6 to -1·3) |
| Puerto Rico |
31,203 (26,216 to 37,065) |
-2·9 (-6·1 to 0·3) |
| Saint Lucia |
975 (811 to 1156) |
-2·1 (-5·5 to 1·2) |
| Saint Vincent and the Grenadines |
454 (383 to 539) |
-4·6 (-7·5 to -1·6) |
| Suriname |
2,097 (1,764 to 2,484) |
-1·6 (-4·3 to 1·5) |
| Trinidad and Tobago |
6,739 (5,667 to 7,967) |
-2·9 (-6·1 to 0·4) |
| Virgin Islands |
881 (737 to 1051) |
-4·0 (-7·2 to -0·5) |
| Tropical Latin America |
1,725?,36 (1,470,749 to 2,025,314) |
5·0 (2·4 to 7·9) |
| Brazil |
1,691,024 (1,440,967 to 1,983,529) |
5·2 (2·5 to 8·2) |
| Paraguay |
34,712 (29,060 to 41,134) |
-6·1 (-8·9 to -3·0) |
| East Asia |
10,767,181 (9,212,998 to 12,591,276) |
5·4 (4·2 to 6·7) |
| China |
10,427,487 (8,917,543 to 12,196,329) |
5·6 (4·4 to 6·9) |
| North Korea |
136,430 (114,541 to 161,576) |
-3·8 (-7·0 to -0·4) |
| Taiwan (province of China) |
203,264 (171,769 to 238,879) |
11·1 (3·6 to 23·8) |
| Southeast Asia |
3,337,721 (2,835,683 to 3,942,605) |
-1·5 (-2·6 to -0·4) |
| Cambodia |
50,393 (42,605 to 59,560) |
-3·9 (-7·3 to -0·6) |
| Indonesia |
1,111,081 (942,834 to 1,320,195) |
-0·1 (-1·3 to 1·1) |
| Laos |
20,678 (17,491 to 24,443) |
-1·5 (-5·1 to 2·1) |
| Malaysia |
159,491 (135,859 to 189,529) |
-0·9 (-4·8 to 3·3) |
| Maldives |
1,464 (1,236 to 1,731) |
0·5 (-2·5 to 4·0) |
| Mauritius |
9,941 (8,400 to 11,689) |
-3·1 (-6·7 to 0·2) |
| Myanmar |
232,112 (198,607 to 272,903) |
-3·1 (-6·4 to 0·2) |
| Philippines |
359,689 (304,824 to 426,756) |
-0·8 (-3·8 to 2·3) |
| Sri Lanka |
127,331 (107,863 to 149,887) |
-0·1 (-3·5 to 3·9) |
| Seychelles |
653 (551 to 769) |
-1·1 (-3·9 to 2·0) |
| Thailand |
597,698 (505,189 to 703,496) |
-1·5 (-5·0 to 2·2) |
| Timor-Leste |
3,976 (3,338 to 4,745) |
-1·2 (-4·5 to 2·1) |
| Vietnam |
655,099 (558,892 to 775,483) |
-2·6 (-6·0 to 0·7) |
| Oceania |
28,064 (23,704 to 33,276) |
-1·6 (-3·8 to 0·2) |
| American Samoa |
173 (147 to 204) |
1·0 (-2·7 to 4·7) |
| Federated States of Micronesia |
311 (263 to 364) |
-1·0 (-4·7 to 2·8) |
| Fiji |
3,182 (2,676 to 3,767) |
-0·7 (-4·0 to 3·1) |
| Guam |
1,061 (890 to 1,259) |
-1·8 (-5·1 to 1·8) |
| Kiribati |
298 (253 to 352) |
-1·2 (-4·4 to 1·7) |
| Marshall Islands |
159 (134 to 189) |
-1·7 (-5·0 to 1·8) |
| Northern Mariana Islands |
129 (111 to 149) |
-1·9 (-5·2 to 1·9) |
| Papua New Guinea |
15,398 (13,008 to 18,206) |
-2·2 (-5·7 to 1·0) |
| Samoa |
784 (662 to 930) |
-1·7 (-5·0 to 1·3) |
| Solomon Islands |
1,280 (1,081 to 1,514) |
-0·5 (-3·8 to 2·5) |
| Tonga |
499 (420 to 593) |
0·0 (-3·0 to 3·6) |
| Vanuatu |
708 (594 to 843) |
-1·1 (-4·3 to 2·5) |
| North Africa and Middle East |
2,613,225 (2,220,174 to 3,075,460) |
-1·0 (-2·7 to 1·5) |
| Afghanistan |
65,639 (54,920 to 77,796) |
-1·5 (-4·8 to 2·5) |
| Algeria |
223,164 (188,279 to 265,420) |
-4·3 (-7·4 to -1·0) |
| Bahrain |
3,091 (2,638 to 3,618) |
-2·1 (-5·1 to 1·0) |
| Egypt |
355,367 (306,335 to 409,862) |
0·9 (-3·0 to 5·4) |
| Iran |
368,528 (311,492 to 437,404) |
-1·2 (-4·2 to 2·0) |
| Iraq |
99,821 (84,081 to 119,541) |
-1·4 (-4·8 to 2·2) |
| Jordan |
25,413 (21,281 to 30,183) |
-0·8 (-4·6 to 2·7) |
| Kuwait |
7,097 (6,063 to 8,425) |
-2·5 (-5·6 to 0·3) |
| Lebanon |
45,656 (37,962 to 54,771) |
-3·0 (-6·5 to 0·4) |
| Libya |
25,567 (21,548 to 30,392) |
-0·7 (-3·8 to 2·6) |
| Morocco |
197,480 (165,612 to 233,425) |
-4·3 (-7·6 to -0·8) |
| Oman |
10,353 (8,822 to 12,263) |
-4·9 (-8·2 to -1·2) |
| Palestine |
11,635 (9,767 to 13,847) |
-1·6 (-5·3 to 2·3) |
| Qatar |
2,706 (2,292 to 3,174) |
-2·7 (-5·6 to 0·5) |
| Saudi Arabia |
91,232 (77,702 to 107,276) |
-0·2 (-1·6 to 1·0) |
| Sudan |
99,360 (83,462 to 118,168) |
-2·8 (-6·1 to 1·0) |
| Syria |
68,793 (58,115 to 81,155) |
-2·5 (-6·4 to 0·9) |
| Tunisia |
85,220 (71,552 to 101,268) |
-2·3 (-5·4 to 0·8) |
| Turkey |
754,169 (639,274 to 887,565) |
2·5 (-2·4 to 9·9) |
| United Arab Emirates |
10,301 (8,769 to 12,096) |
-4·3 (-7·6 to -1·0) |
| Yemen |
61,063 (51,634 to 72,314) |
-4·5 (-7·7 to -0·7) |
| South Asia |
3,747,443 (3,149,228 to 4,457,380) |
-4·6 (-5·4 to -3·8) |
| Bangladesh |
401,328 (337,842 to 477,034) |
-0·6 (-3·9 to 3·3) |
| Bhutan |
1,712 (1,435 to 2,023) |
-2·8 (-5·7 to 1·1) |
| India |
2,933,814 (2,466,582 to 3,493,076) |
-5·5 (-6·2 to -4·7) |
| Nepal |
64,140 (53,603 to 76,362) |
-5·4 (-8·6 to -2·0) |
| Pakistan |
346,449 (290,105 to 410,068) |
-4·3 (-7·4 to -1·3) |
| Southern sub-Saharan Africa |
205,047 (172,093 to 245,564) |
-3·0 (-4·2 to -1·7) |
| Botswana |
3,896 (3,270 to 4,611) |
-3·2 (-7·0 to 0·7) |
| eSwatini |
1,987 (1,659 to 2,369) |
-4·8 (-8·0 to -1·3) |
| Lesotho |
4,363 (3,630 to 5,212) |
-1·7 (-5·2 to 2·4) |
| Namibia |
4,174 (3,493 to 4,971) |
-3·4 (-6·6 to -0·2) |
| South Africa |
167,424 (140,580 to 200,571) |
-3·1 (-4·4 to -1·8) |
| Zimbabwe |
23,203 (19,358 to 27,775) |
-2·5 (-5·9 to 1·1) |
| Western sub-Saharan Africa |
363,434 (308,212 to 428,346) |
-2·7 (-4·8 to 0·3) |
| Benin |
11,021 (9,397 to 12,958) |
-7·1 (-11·8 to -2·7) |
| Burkina Faso |
15,600 (13,128 to 18,543) |
-3·9 (-7·0 to -0·4) |
| Cameroon |
26,814 (22,544 to 31,740) |
-4·2 (-7·4 to -1·0) |
| Cape Verde |
1,185 (990 to 1,417) |
-3·8 (-7·2 to 0·0) |
| Chad |
12,784 (10,55 to 15,100) |
-4·0 (-6·8 to -1·1) |
| Côte d’Ivoire |
22,894 (19,142 to 27,192) |
-3·1 (-6·6 to 0·3) |
| The Gambia |
1,696 (1,432 to 2,011) |
-3·7 (-6·9 to -0·1) |
| Ghana |
32,390 (27,243 to 38,466) |
-3·0 (-6·4 to 0·2) |
| Guinea |
13,260 (11,180 to 15,706) |
-4·4 (-7·2 to -1·2) |
| Guinea-Bissau |
1,993 (1,679 to 2,360) |
-4·4 (-7·6 to -1·2) |
| Liberia |
4,642 (3,907 to 5,539) |
-3·5 (-7·2 to 0·1) |
| Mali |
15,724 (13,238 to 18,678) |
-3·7 (-6·8 to 0·0) |
| Mauritania |
4,793 (4,035 to 5,686) |
-3·0 (-6·0 to 0·5) |
| Niger |
17,365 (14,617 to 20,614) |
-2·8 (-6·0 to 0·5) |
| Nigeria |
152,733 (129,008 to 179,828) |
-0·9 (-5·7 to 6·9) |
| São Tomé and Príncipe |
259 (217 to 311) |
-3·5 (-6·6 to 0·2) |
| Senegal |
15,915 (13,412 to 18,930) |
-6·0 (-9·2 to -2·7) |
| Sierra Leone |
5,612 (4,710 to 6,643) |
-3·6 (-6·5 to -0·3) |
| Togo |
6,730 (5,653 to 8,034) |
-4·1 (-7·6 to -0·9) |
| Eastern sub-Saharan Africa |
508,756 (428,178 to 603,846) |
-4·1 (-5·4 to -2·8) |
| Burundi |
12,408 (10,409 to 14,752) |
-4·4 (-7·5 to -0·7) |
| Comoros |
993 (832 to 1,172) |
-4·1 (-7·9 to -0·7) |
| Djibouti |
1,639 (1,378 to 1,947) |
-4·1 (-6·9 to -1·2) |
| Eritrea |
5,465 (4,580 to 6,486) |
-5·5 (-9·0 to -1·9) |
| Ethiopia |
145,109 (121,512 to 172,680) |
-4·1 (-7·7 to -0·5) |
| Kenya |
61,120 (51,624 to 72,287) |
-2·1 (-2·8 to -1·5) |
| Madagascar |
31,885 (26,736 to 37,901) |
-3·1 (-6·8 to 0·3) |
| Malawi |
24,419 (20,280 to 29,218) |
-3·4 (-6·9 to 0·0) |
| Mozambique |
41,436 (34,782 to 49,571) |
-4·0 (-7·4 to -0·7) |
| Rwanda |
15,536 (13,147 to 18,296) |
-4·1 (-7·5 to -0·3) |
| Somalia |
12,957 (10,830 to 15,461) |
-5·2 (-8·7 to -1·7) |
| South Sudan |
18,205 (15,254 to 21,613) |
-4·9 (-8·5 to -1·6) |
| Tanzania |
74,748 (63,715 to 87,463) |
-5·9 (-10·0 to -2·2) |
| Uganda |
42,050 (35,224 to 50,418) |
-4·2 (-7·4 to -0·6) |
| Zambia |
20,323 (16,876 to 24,320) |
-2·5 (-6·1 to 1·2) |
| Central sub-Saharan Africa |
210,389 (176,711 to 249,382) |
-2·5 (-4·9 to 0·0) |
| Angola |
36,872 (30,732 to 43,858) |
-3·1 (-6·6 to 0·3) |
| Central African Republic |
12,817 (10,652 to 15,123) |
3·4 (-2·2 to 12·0) |
| Congo (Brazzaville) |
11,239 (9,653 to 12,938) |
2·3 (-4·4 to 9·3) |
| Democratic Republic of the Congo |
141,576 (118,678 to 168,958) |
-3·4 (-6·8 to 0·5) |
| Equatorial Guinea |
1,716 (1,452 to 2,015) |
-4·4 (-8·4 to -0·8) |
| Gabon |
6,170 (5,123 to 7,355) |
-2·0 (-5·3 to 1·8) |
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