| # | Flag | Country | Over-age students, primary (% of enrollment)Over-age students, primary (% of enrollment) | Year |
|---|---|---|---|---|
| 1 | Liberia | 60.33% | 2016 | |
| 2 | South Sudan | 48.64% | 2015 | |
| 3 | Haiti | 47.01% | 1997 | |
| 4 | Solomon Islands | 36.33% | 2017 | |
| 5 | Gabon | 35.72% | 1997 | |
| 6 | Guinea-Bissau | 34.29% | 2010 | |
| 7 | Madagascar | 32.03% | 2003 | |
| 8 | Democratic Republic Of Congo | 28.8% | 1999 | |
| 9 | Nepal | 28.52% | 2017 | |
| 10 | Papua New Guinea | 28.22% | 2016 | |
| 11 | Swaziland | 27.65% | 2016 | |
| 12 | Rwanda | 26.34% | 2017 | |
| 13 | Kenya | 25.97% | 2012 | |
| 14 | Vanuatu | 25.79% | 2015 | |
| 15 | Eritrea | 24.35% | 2017 | |
| 16 | Angola | 23.23% | 2011 | |
| 17 | Equatorial Guinea | 22.58% | 2015 | |
| 18 | Lesotho | 21.08% | 2017 | |
| 19 | Central African Republic | 21.01% | 2012 | |
| 20 | Nicaragua | 20.57% | 2010 | |
| 21 | Malawi | 19.69% | 2017 | |
| 22 | Mauritania | 19.47% | 2017 | |
| 23 | Sweden | 18.25% | 2016 | |
| 24 | Togo | 18.21% | 2017 | |
| 25 | Sudan | 17.9% | 2017 | |
| 26 | East Timor | 17.37% | 2017 | |
| 27 | Burundi | 17.23% | 2017 | |
| 28 | Suriname | 17.19% | 2017 | |
| 29 | Mozambique | 16.64% | 2017 | |
| 30 | Comoros | 16.61% | 2017 | |
| 31 | Gambia | 16.55% | 2017 | |
| 32 | Nigeria | 16.23% | 2010 | |
| 33 | Burkina Faso | 15.82% | 2017 | |
| 34 | Namibia | 15.58% | 2017 | |
| 35 | Ghana | 15.43% | 2018 | |
| 36 | Sint Maarten | 15.26% | 2014 | |
| 37 | Colombia | 15.25% | 2017 | |
| 38 | Republic of the Congo | 15.18% | 2012 | |
| 39 | El Salvador | 14.54% | 2017 | |
| 40 | Cambodia | 14.4% | 2017 | |
| 41 | Brazil | 14% | 2016 | |
| 42 | Zambia | 13.95% | 2017 | |
| 43 | Paraguay | 13.94% | 2016 | |
| 44 | Uganda | 13.9% | 2013 | |
| 45 | Chad | 13.89% | 2016 | |
| 46 | Morocco | 13.8% | 2017 | |
| 47 | Philippines | 13.75% | 2016 | |
| 48 | Zimbabwe | 13.65% | 2013 | |
| 49 | Botswana | 13.35% | 2014 | |
| 50 | Palau | 13.3% | 2014 | |
| 51 | Bhutan | 13.07% | 2017 | |
| 52 | Iraq | 12.83% | 2007 | |
| 53 | São Tomé and Príncipe | 12.79% | 2017 | |
| 54 | Laos | 12.72% | 2017 | |
| 55 | Dominican Republic | 12.51% | 2017 | |
| 56 | Bangladesh | 12.42% | 2017 | |
| 57 | Ethiopia | 12.12% | 2015 | |
| 58 | Costa Rica | 12.11% | 2016 | |
| 59 | Cameroon | 12% | 2017 | |
| 60 | Honduras | 11.94% | 2017 | |
| 61 | Djibouti | 11.91% | 2018 | |
| 62 | China | 11.6% | 1997 | |
| 63 | Aruba | 11.45% | 2014 | |
| 64 | Guatemala | 11% | 2017 | |
| 65 | Libya | 10.9% | 1983 | |
| 66 | Austria | 10.67% | 1989 | |
| 67 | Guinea | 10.48% | 2016 | |
| 68 | Senegal | 10.43% | 2017 | |
| 69 | Myanmar | 10.41% | 2017 | |
| 70 | Ivory Coast | 10.38% | 2017 | |
| 71 | Marshall Islands | 9.89% | 2016 | |
| 72 | Yemen | 9.88% | 2016 | |
| 73 | Benin | 9.24% | 2017 | |
| 74 | Panama | 8.94% | 2015 | |
| 75 | Azerbaijan | 8.86% | 2017 | |
| 76 | Belize | 8.82% | 2017 | |
| 77 | Cape Verde | 8.63% | 2016 | |
| 78 | Sierra Leone | 8.61% | 2017 | |
| 79 | Portugal | 8.48% | 2016 | |
| 80 | Trinidad and Tobago | 7.97% | 2010 | |
| 81 | Ukraine | 7.94% | 2017 | |
| 82 | Niger | 7.86% | 2017 | |
| 83 | Iran | 7.66% | 2017 | |
| 84 | Andorra | 7.62% | 2017 | |
| 85 | Venezuela | 7.57% | 2017 | |
| 86 | The Bahamas | 7.39% | 2016 | |
| 87 | Mali | 7.37% | 2017 | |
| 88 | Argentina | 7.32% | 2016 | |
| 89 | Afghanistan | 7.13% | 1993 | |
| 90 | Saudi Arabia | 7.13% | 2016 | |
| 91 | Samoa | 7.07% | 2017 | |
| 92 | Uruguay | 6.92% | 2016 | |
| 93 | Lebanon | 6.91% | 2017 | |
| 94 | Syria | 6.9% | 2013 | |
| 95 | Algeria | 6.88% | 2017 | |
| 96 | Bolivia | 6.81% | 2017 | |
| 97 | Dominica | 6.66% | 2016 | |
| 98 | Chile | 6.56% | 2017 | |
| 99 | Albania | 6.14% | 2017 | |
| 100 | India | 5.91% | 2013 | |
| 101 | Netherlands | 5.77% | 2016 | |
| 102 | Peru | 5.63% | 2018 | |
| 103 | Jamaica | 5.52% | 2017 | |
| 104 | Tanzania | 5.42% | 2013 | |
| 105 | Belarus | 5.26% | 2017 | |
| 106 | Spain | 5.16% | 2016 | |
| 107 | Virgin Islands (British) | 4.86% | 2017 | |
| 108 | United States | 4.78% | 2016 | |
| 109 | Monaco | 4.76% | 2017 | |
| 110 | Grenada | 4.74% | 2017 | |
| 111 | Belgium | 4.71% | 2016 | |
| 112 | Macao | 4.58% | 2017 | |
| 113 | Tunisia | 4.35% | 2016 | |
| 114 | Ecuador | 4.35% | 2016 | |
| 115 | Mauritius | 4.3% | 2017 | |
| 116 | United Arab Emirates | 4.25% | 2016 | |
| 117 | Brunei | 4.2% | 2017 | |
| 118 | Antigua and Barbuda | 4.13% | 2017 | |
| 119 | Turks And Caicos Islands | 3.96% | 2015 | |
| 120 | Australia | 3.79% | 2017 | |
| 121 | Bosnia and Herzegovina | 3.79% | 2017 | |
| 122 | Seychelles | 3.65% | 2017 | |
| 123 | Estonia | 3.51% | 2016 | |
| 124 | South Africa | 3.45% | 2015 | |
| 125 | Kiribati | 3.41% | 2017 | |
| 126 | Luxembourg | 3.41% | 2016 | |
| 127 | Turkey | 3.34% | 2016 | |
| 128 | Romania | 3.22% | 2016 | |
| 129 | Puerto Rico | 3.22% | 2016 | |
| 130 | France | 3.22% | 2016 | |
| 131 | Kuwait | 2.95% | 2017 | |
| 132 | Fiji | 2.93% | 2016 | |
| 133 | Saint Lucia | 2.88% | 2017 | |
| 134 | Cuba | 2.86% | 2017 | |
| 135 | Saint Vincent and the Grenadines | 2.84% | 2017 | |
| 136 | Bahrain | 2.81% | 2017 | |
| 137 | Hungary | 2.8% | 2016 | |
| 138 | Israel | 2.8% | 2017 | |
| 139 | Egypt | 2.66% | 2017 | |
| 140 | Denmark | 2.66% | 2016 | |
| 141 | North Korea | 2.61% | 2009 | |
| 142 | Hong Kong | 2.5% | 2017 | |
| 143 | Latvia | 2.44% | 2017 | |
| 144 | Mongolia | 2.41% | 2017 | |
| 145 | Armenia | 2.27% | 2017 | |
| 146 | Mexico | 2.26% | 2017 | |
| 147 | Montenegro | 2.18% | 2017 | |
| 148 | Qatar | 2.15% | 2017 | |
| 149 | Georgia | 1.87% | 2017 | |
| 150 | Bulgaria | 1.86% | 2016 | |
| 151 | Barbados | 1.86% | 2017 | |
| 152 | Oman | 1.85% | 2017 | |
| 153 | Cyprus | 1.79% | 2015 | |
| 154 | Cayman Islands | 1.77% | 2018 | |
| 155 | Saint Kitts And Nevis | 1.71% | 2016 | |
| 156 | Liechtenstein | 1.7% | 2016 | |
| 157 | Moldova | 1.69% | 2017 | |
| 158 | Germany | 1.66% | 2016 | |
| 159 | Slovenia | 1.61% | 2016 | |
| 160 | Maldives | 1.58% | 2017 | |
| 161 | Switzerland | 1.48% | 2016 | |
| 162 | Vietnam | 1.41% | 2017 | |
| 163 | Nauru | 1.38% | 2016 | |
| 164 | Greece | 1.35% | 2016 | |
| 165 | Indonesia | 1.34% | 2017 | |
| 166 | Finland | 1.24% | 2016 | |
| 167 | Guyana | 1.19% | 2012 | |
| 168 | United Kingdom | 1.13% | 2016 | |
| 169 | Thailand | 1.1% | 2009 | |
| 170 | Kyrgyzstan | 1.01% | 2017 | |
| 171 | Lithuania | 0.95% | 2016 | |
| 172 | Sri Lanka | 0.94% | 2017 | |
| 173 | Malta | 0.91% | 2016 | |
| 174 | Poland | 0.91% | 2016 | |
| 175 | Italy | 0.9% | 2016 | |
| 176 | Tonga | 0.9% | 2015 | |
| 177 | Serbia | 0.88% | 2017 | |
| 178 | Republic of Macedonia | 0.84% | 2015 | |
| 179 | South Korea | 0.78% | 2016 | |
| 180 | Jordan | 0.77% | 2017 | |
| 181 | Croatia | 0.74% | 2016 | |
| 182 | Kazakhstan | 0.69% | 2018 | |
| 183 | Republic of Ireland | 0.55% | 2016 | |
| 184 | Singapore | 0.54% | 2016 | |
| 185 | San Marino | 0.51% | 2012 | |
| 186 | Bermuda | 0.5% | 2012 | |
| 187 | Uzbekistan | 0.45% | 2017 | |
| 188 | New Zealand | 0.39% | 2017 | |
| 189 | Malaysia | 0.24% | 2017 | |
| 190 | Tuvalu | 0.15% | 2016 | |
| 191 | Tajikistan | 0.08% | 2017 | |
| 192 | Iceland | 0.04% | 2016 | |
| 193 | Russia | 0.01% | 2016 | |
| 194 | Pakistan | 0% | 2016 | |
| 195 | Canada | 0% | 2016 | |
| 196 | Japan | 0% | 2015 | |
| 197 | Norway | 0% | 2016 | |
| 198 | Federated States of Micronesia | 0% | 2015 |