Diphtheria reported cases (number)
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
| Afghanistan | 368 | 84 | 179 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Albania | 17 | 4 | 0 | 0 | 0 | 0 | 0 | | | 0 |
| Algeria | 30 | | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Andorra | | 0 | 0 | 0 | 0 | 0 | 0 | | | 0 |
| Angola | 64 | 0 | 0 | | 0 | 15 | 20 | | | |
| Antigua and Barbuda | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Argentina | | | | | | | | | | 0 |
| Armenia | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Australia | 7 | 0 | 0 | 0 | 4 | 0 | 1 | 2 | 2 | 8 |
| Austria | 0 | 0 | 0 | 0 | 0 | 0 | | 2 | 0 | 2 |
| Azerbaijan | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bahamas | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bahrain | 0 | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bangladesh | 711 | 21 | 125 | 27 | 11 | 16 | 2 | 13 | 6 | 2 |
| Barbados | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Belarus | 22 | 52 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Belgium | 0 | | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 6 |
| Belize | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Benin | | | | | | 0 | 0 | 0 | 0 | |
| Bhutan | | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bolivia (Plurinational State of) | 4 | 1 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bosnia and Herzegovina | 0 | 0 | 0 | 0 | 0 | 0 | | | | 0 |
| Botswana | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Brazil | 640 | 46 | 27 | 32 | 5 | 0 | 4 | 5 | 12 | |
| Brunei Darussalam | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 | 0 |
| Bulgaria | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Burkina Faso | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Burundi | 0 | 0 | 0 | 0 | 0 | | | | | |
| Cambodia | | | | | | | | | 0 | 0 |
| Cameroon | 0 | | | | | | | | | |
| Canada | 5 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 3 | 1 |
| Central African Republic | 0 | 0 | 0 | 0 | | 0 | 35 | 0 | 0 | 0 |
| Chile | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| China | 421 | 19 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 |
| Colombia | 16 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comoros | 0 | | 0 | 0 | | | 0 | 0 | 0 | |
| Congo | 0 | | 0 | 0 | 0 | 1 | 0 | 0 | | 0 |
| Costa Rica | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 0 |
| Croatia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 |
| Cuba | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 | 0 |
| Cyprus | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Czech Republic | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Democratic People's Republic of Korea | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Democratic Republic of the Congo | | 0 | | | | | | | | |
| Denmark | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 1 | |
| Djibouti | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | |
| Dominica | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dominican Republic | 27 | 52 | 39 | 4 | 2 | 0 | 0 | 0 | 1 | 3 |
| Ecuador | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Egypt | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| El Salvador | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Equatorial Guinea | | | | | | | | | 0 | 0 |
| Eritrea | | | | 3 | 5 | 8 | 0 | | 2 | 4 |
| Estonia | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ethiopia | 61 | | | | | | | | | |
| Fiji | 0 | | 0 | | | | | | | |
| Finland | 0 | | 0 | 0 | 0 | | 0 | | 1 | 0 |
| France | 0 | 0 | 0 | | | | 5 | 6 | 14 | 8 |
| Gambia | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Georgia | | | | | | | | | 1 | 0 |
| Germany | 6 | 0 | 1 | 8 | 4 | 9 | 4 | 9 | 14 | 9 |
| Ghana | 66 | 0 | | 47 | | 0 | 0 | 0 | 0 | 0 |
| Greece | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Grenada | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Guatemala | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Guinea | 37 | 0 | 36 | 0 | 0 | 0 | 0 | | | 0 |
| Guinea-Bissau | 0 | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Guyana | | | | | | | | | 0 | 0 |
| Haiti | 0 | 0 | 3 | 46 | 2 | 0 | 0 | 3 | 32 | 5 |
| Honduras | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Hungary | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Iceland | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| India | 8,425 | 5,125 | 5,826 | 3,434 | 4,233 | 2,525 | 3,133 | 6,094 | 2,365 | 3,380 |
| Indonesia | 2,200 | 23 | 499 | 432 | 806 | 1,192 | 775 | 430 | | 342 |
| Iran (Islamic Republic of) | 373 | 18 | 15 | 106 | 132 | 150 | 190 | 13 | 28 | 10 |
| Iraq | 10 | 34 | 6 | 2 | 0 | 3 | 4 | 5 | 2 | 1 |
| Ireland | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| Israel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Italy | 2 | 0 | 0 | 0 | 0 | 0 | | | 1 | |
| Jamaica | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Japan | 5 | 1 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jordan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Kazakhstan | 28 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Kenya | 1 | 15 | | | | | | | | |
| Kiribati | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| Kuwait | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| Kyrgyzstan | 6 | 15 | 1 | 0 | 0 | 0 | 0 | | 0 | 1 |
| Lao People's Democratic Republic | 9 | 3 | 9 | 34 | 0 | 130 | 20 | 0 | 194 | 3 |
| Latvia | 3 | 264 | 20 | 2 | 6 | 8 | 14 | 13 | 10 | 6 |
| Lebanon | | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Lesotho | 37 | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Liberia | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Libya | 0 | | 0 | | | | | | | |
| Lithuania | | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Luxembourg | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 0 | 0 |
| Madagascar | 252 | 12 | | 0 | 5 | 1 | 0 | | 1,627 | 2,865 |
| Malawi | | | 0 | 0 | | | 0 | 1 | 0 | 0 |
| Malaysia | 9 | 1 | 3 | 3 | 0 | 0 | 4 | 2 | 4 | 31 |
| Maldives | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mali | 5 | | 0 | | | | | 0 | 0 | |
| Malta | 0 | 0 | 0 | 0 | 0 | | | 0 | 0 | 0 |
| Marshall Islands | 0 | 0 | 0 | | 0 | 0 | | | | |
| Mauritania | 18 | | 0 | | | 0 | | | 0 | 0 |
| Mauritius | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| Mexico | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Micronesia (Federated States of) | 0 | 0 | 0 | | | | | 0 | 0 | 0 |
| Monaco | 0 | | | | | | | | | |
| Mongolia | | | | | | | | | 0 | 0 |
| Montenegro | | | | 0 | 0 | 0 | 0 | | | 0 |
| Morocco | 0 | 0 | | 0 | 0 | 0 | 0 | | | |
| Mozambique | 0 | | 0 | | | | | | 0 | |
| Myanmar | 181 | 17 | 5 | 4 | 7 | 19 | 38 | 29 | 87 | 136 |
| Namibia | | 0 | 0 | 0 | 2 | 2 | | 0 | 0 | 0 |
| Nepal | 7 | 268 | 46 | 146 | 94 | 138 | 103 | 1,079 | 26 | 140 |
| Netherlands | 0 | 0 | 0 | | 1 | 1 | 0 | 0 | 5 | 3 |
| New Zealand | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 2 | 2 | 1 |
| Nicaragua | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Niger | 102 | 12 | | 0 | 0 | 0 | 73 | 0 | 0 | 0 |
| Nigeria | 1,768 | 3,995 | | | 0 | | | | | |
| Norway | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 |
| Oman | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Pakistan | 1,371 | 13 | 23 | 37 | 22 | 98 | 183 | 9 | 9 | 12 |
| Palau | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Panama | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Papua New Guinea | 0 | 15 | 593 | 0 | 0 | 0 | | 0 | 0 | 0 |
| Paraguay | 10 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| Peru | 44 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Philippines | 921 | 88 | 118 | 107 | | | 6 | 0 | 9 | 42 |
| Poland | 0 | 1 | 0 | 0 | | 0 | 0 | | | |
| Portugal | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Qatar | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Republic of Korea | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Republic of Moldova | 6 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Romania | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Russian Federation | | | | | | | | | 2 | 2 |
| Rwanda | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Saint Kitts and Nevis | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Saint Lucia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Saint Vincent and the Grenadines | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Samoa | 0 | | 0 | 0 | 0 | 0 | | | | |
| San Marino | 0 | 0 | 0 | 0 | | 0 | | | | 0 |
| Sao Tome and Principe | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Saudi Arabia | 1 | | 7 | 0 | 3 | 0 | 0 | 2 | 4 | 2 |
| Senegal | | | | | | | | | 0 | |
| Serbia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Seychelles | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sierra Leone | | 0 | 0 | | | | | | | |
| Singapore | 1 | 0 | 0 | 0 | 0 | 0 | 0 | | | |
| Slovakia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Slovenia | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Solomon Islands | 0 | | 0 | 0 | 0 | 0 | 0 | | | |
| Somalia | | | | | | 65 | 7 | | | |
| South Africa | 34 | 2 | | | 0 | | | | 15 | 0 |
| South Sudan | | | | | | | | 0 | 9 | |
| Spain | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 1 | 1 |
| Sri Lanka | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sudan | 1,342 | 26 | 13 | 1 | 193 | 18 | 0 | 11 | | 0 |
| Suriname | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Swaziland | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sweden | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 1 | 4 |
| Switzerland | 0 | 0 | 0 | 0 | | | | 0 | 0 | |
| Syrian Arab Republic | 80 | 0 | 0 | 0 | 0 | 0 | 0 | | | |
| Tajikistan | 11 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | | 0 |
| Thailand | 58 | 15 | 1 | 77 | 28 | 63 | 28 | 19 | 19 | 16 |
| The former Yugoslav republic of Macedonia | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Timor-Leste | | | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 |
| Togo | 0 | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tonga | | | | | | | | | | 0 |
| Trinidad and Tobago | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tunisia | | | | | | | | | 0 | 0 |
| Turkey | 20 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Turkmenistan | 4 | 30 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
| Tuvalu | | | 0 | 0 | 0 | 0 | | | | |
| Uganda | 95 | | 0 | | | | | | | |
| Ukraine | 109 | 365 | 98 | 17 | 8 | 5 | | | 2 | 4 |
| United Arab Emirates | 0 | 0 | 0 | 1 | | 0 | | 0 | | |
| United Kingdom of Great Britain and Northern Ireland | 2 | 2 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 1 |
| United Republic of Tanzania | 0 | | 0 | 0 | 0 | 0 | 0 | | | |
| United States of America | 4 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Uruguay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Uzbekistan | 12 | 4 | 0 | 0 | 0 | | 0 | 0 | 0 | 0 |
| Vanuatu | 0 | | | 0 | 0 | 0 | 0 | | | |
| Venezuela (Bolivarian Republic of) | | | | | | | | | 0 | 31 |
| Viet Nam | 509 | 113 | 36 | 6 | 13 | 12 | 11 | 16 | 15 | 13 |
| Yemen | | | 8 | 7 | 2 | 0 | 7 | | | |
| Zambia | 4 | 0 | 11 | 0 | 0 | 0 | 0 | | 1 | 1 |
| Zimbabwe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |