| # | Flag | Country | Primary school starting age (years)Primary school starting age (years) | Year |
|---|---|---|---|---|
| 1 | Uzbekistan | 7 | 2018 | |
| 2 | Burundi | 7 | 2018 | |
| 3 | Rwanda | 7 | 2018 | |
| 4 | Russia | 7 | 2018 | |
| 5 | Sweden | 7 | 2018 | |
| 6 | Zambia | 7 | 2018 | |
| 7 | Gambia | 7 | 2018 | |
| 8 | Kyrgyzstan | 7 | 2018 | |
| 9 | Guinea | 7 | 2018 | |
| 10 | Equatorial Guinea | 7 | 2018 | |
| 11 | El Salvador | 7 | 2018 | |
| 12 | Poland | 7 | 2018 | |
| 13 | Guatemala | 7 | 2018 | |
| 14 | Tanzania | 7 | 2018 | |
| 15 | Estonia | 7 | 2018 | |
| 16 | Papua New Guinea | 7 | 2018 | |
| 17 | Kazakhstan | 7 | 2018 | |
| 18 | Afghanistan | 7 | 2018 | |
| 19 | South Africa | 7 | 2018 | |
| 20 | Niger | 7 | 2018 | |
| 21 | Liechtenstein | 7 | 2018 | |
| 22 | Namibia | 7 | 2018 | |
| 23 | Bulgaria | 7 | 2018 | |
| 24 | Croatia | 7 | 2018 | |
| 25 | Lithuania | 7 | 2018 | |
| 26 | Ethiopia | 7 | 2018 | |
| 27 | Latvia | 7 | 2018 | |
| 28 | Hungary | 7 | 2018 | |
| 29 | Indonesia | 7 | 2018 | |
| 30 | Serbia | 7 | 2018 | |
| 31 | Moldova | 7 | 2018 | |
| 32 | Finland | 7 | 2018 | |
| 33 | Switzerland | 7 | 2018 | |
| 34 | Tajikistan | 7 | 2018 | |
| 35 | Mali | 7 | 2018 | |
| 36 | Germany | 6 | 2018 | |
| 37 | Djibouti | 6 | 2018 | |
| 38 | Denmark | 6 | 2018 | |
| 39 | Dominican Republic | 6 | 2018 | |
| 40 | Algeria | 6 | 2018 | |
| 41 | Ecuador | 6 | 2018 | |
| 42 | Egypt | 6 | 2018 | |
| 43 | Eritrea | 6 | 2018 | |
| 44 | Spain | 6 | 2018 | |
| 45 | Fiji | 6 | 2018 | |
| 46 | Federated States of Micronesia | 6 | 2018 | |
| 47 | France | 6 | 2018 | |
| 48 | Gabon | 6 | 2018 | |
| 49 | Georgia | 6 | 2018 | |
| 50 | Ghana | 6 | 2018 | |
| 51 | Greece | 6 | 2018 | |
| 52 | Guam | 6 | 2018 | |
| 53 | Guinea-Bissau | 6 | 2018 | |
| 54 | Guyana | 6 | 2018 | |
| 55 | Hong Kong | 6 | 2018 | |
| 56 | Honduras | 6 | 2018 | |
| 57 | Haiti | 6 | 2018 | |
| 58 | Israel | 6 | 2018 | |
| 59 | India | 6 | 2018 | |
| 60 | Iraq | 6 | 2018 | |
| 61 | Iran | 6 | 2018 | |
| 62 | Iceland | 6 | 2018 | |
| 63 | Italy | 6 | 2018 | |
| 64 | Jamaica | 6 | 2018 | |
| 65 | Jordan | 6 | 2018 | |
| 66 | Japan | 6 | 2018 | |
| 67 | Kenya | 6 | 2018 | |
| 68 | Cambodia | 6 | 2018 | |
| 69 | Kiribati | 6 | 2018 | |
| 70 | Comoros | 6 | 2018 | |
| 71 | North Korea | 6 | 2018 | |
| 72 | South Korea | 6 | 2018 | |
| 73 | Kuwait | 6 | 2018 | |
| 74 | Laos | 6 | 2018 | |
| 75 | Lebanon | 6 | 2018 | |
| 76 | Liberia | 6 | 2018 | |
| 77 | Lesotho | 6 | 2018 | |
| 78 | Luxembourg | 6 | 2018 | |
| 79 | Libya | 6 | 2018 | |
| 80 | Morocco | 6 | 2018 | |
| 81 | Monaco | 6 | 2018 | |
| 82 | Montenegro | 6 | 2018 | |
| 83 | Madagascar | 6 | 2018 | |
| 84 | Republic of Macedonia | 6 | 2018 | |
| 85 | Curacao | 6 | 2018 | |
| 86 | United Arab Emirates | 6 | 2018 | |
| 87 | Albania | 6 | 2018 | |
| 88 | Armenia | 6 | 2018 | |
| 89 | Angola | 6 | 2018 | |
| 90 | Argentina | 6 | 2018 | |
| 91 | Austria | 6 | 2018 | |
| 92 | Aruba | 6 | 2018 | |
| 93 | Azerbaijan | 6 | 2018 | |
| 94 | Bosnia and Herzegovina | 6 | 2018 | |
| 95 | Bangladesh | 6 | 2018 | |
| 96 | Belgium | 6 | 2018 | |
| 97 | Burkina Faso | 6 | 2018 | |
| 98 | Bahrain | 6 | 2018 | |
| 99 | Benin | 6 | 2018 | |
| 100 | Brunei | 6 | 2018 | |
| 101 | Bolivia | 6 | 2018 | |
| 102 | Brazil | 6 | 2018 | |
| 103 | Bhutan | 6 | 2018 | |
| 104 | Botswana | 6 | 2018 | |
| 105 | Belarus | 6 | 2018 | |
| 106 | Canada | 6 | 2018 | |
| 107 | Democratic Republic Of Congo | 6 | 2018 | |
| 108 | Central African Republic | 6 | 2018 | |
| 109 | Republic of the Congo | 6 | 2018 | |
| 110 | Ivory Coast | 6 | 2018 | |
| 111 | Chile | 6 | 2018 | |
| 112 | Cameroon | 6 | 2018 | |
| 113 | China | 6 | 2018 | |
| 114 | Colombia | 6 | 2018 | |
| 115 | Costa Rica | 6 | 2018 | |
| 116 | Cuba | 6 | 2018 | |
| 117 | Cape Verde | 6 | 2018 | |
| 118 | Cyprus | 6 | 2018 | |
| 119 | Czech Republic | 6 | 2018 | |
| 120 | Chad | 6 | 2018 | |
| 121 | Togo | 6 | 2018 | |
| 122 | Thailand | 6 | 2018 | |
| 123 | East Timor | 6 | 2018 | |
| 124 | Turkmenistan | 6 | 2018 | |
| 125 | Tunisia | 6 | 2018 | |
| 126 | Tonga | 6 | 2018 | |
| 127 | Turkey | 6 | 2018 | |
| 128 | Tuvalu | 6 | 2018 | |
| 129 | Ukraine | 6 | 2018 | |
| 130 | Uganda | 6 | 2018 | |
| 131 | United States | 6 | 2018 | |
| 132 | Uruguay | 6 | 2018 | |
| 133 | Venezuela | 6 | 2018 | |
| 134 | Vietnam | 6 | 2018 | |
| 135 | Vanuatu | 6 | 2018 | |
| 136 | Yemen | 6 | 2018 | |
| 137 | Zimbabwe | 6 | 2018 | |
| 138 | South Sudan | 6 | 2018 | |
| 139 | Marshall Islands | 6 | 2018 | |
| 140 | Virgin Islands (US) | 6 | 2018 | |
| 141 | American Samoa | 6 | 2018 | |
| 142 | Sint Maarten | 6 | 2018 | |
| 143 | Andorra | 6 | 2018 | |
| 144 | Mongolia | 6 | 2018 | |
| 145 | Macao | 6 | 2018 | |
| 146 | Mauritania | 6 | 2018 | |
| 147 | Maldives | 6 | 2018 | |
| 148 | Malawi | 6 | 2018 | |
| 149 | Mexico | 6 | 2018 | |
| 150 | Malaysia | 6 | 2018 | |
| 151 | Mozambique | 6 | 2018 | |
| 152 | New Caledonia | 6 | 2018 | |
| 153 | Nigeria | 6 | 2018 | |
| 154 | Nicaragua | 6 | 2018 | |
| 155 | Netherlands | 6 | 2018 | |
| 156 | Norway | 6 | 2018 | |
| 157 | Nauru | 6 | 2018 | |
| 158 | Oman | 6 | 2018 | |
| 159 | Panama | 6 | 2018 | |
| 160 | Peru | 6 | 2018 | |
| 161 | French Polynesia | 6 | 2018 | |
| 162 | Philippines | 6 | 2018 | |
| 163 | Puerto Rico | 6 | 2018 | |
| 164 | Portugal | 6 | 2018 | |
| 165 | Palau | 6 | 2018 | |
| 166 | Paraguay | 6 | 2018 | |
| 167 | Qatar | 6 | 2018 | |
| 168 | Romania | 6 | 2018 | |
| 169 | Saudi Arabia | 6 | 2018 | |
| 170 | Solomon Islands | 6 | 2018 | |
| 171 | Seychelles | 6 | 2018 | |
| 172 | Sudan | 6 | 2018 | |
| 173 | Singapore | 6 | 2018 | |
| 174 | Slovenia | 6 | 2018 | |
| 175 | Slovakia | 6 | 2018 | |
| 176 | Sierra Leone | 6 | 2018 | |
| 177 | San Marino | 6 | 2018 | |
| 178 | Senegal | 6 | 2018 | |
| 179 | Suriname | 6 | 2018 | |
| 180 | São Tomé and Príncipe | 6 | 2018 | |
| 181 | Syria | 6 | 2018 | |
| 182 | Swaziland | 6 | 2018 | |
| 183 | Turks And Caicos Islands | 6 | 2018 | |
| 184 | Myanmar | 5 | 2018 | |
| 185 | Antigua and Barbuda | 5 | 2018 | |
| 186 | Cayman Islands | 5 | 2018 | |
| 187 | Dominica | 5 | 2018 | |
| 188 | Malta | 5 | 2018 | |
| 189 | Mauritius | 5 | 2018 | |
| 190 | Pakistan | 5 | 2018 | |
| 191 | Saint Kitts And Nevis | 5 | 2018 | |
| 192 | Australia | 5 | 2018 | |
| 193 | Barbados | 5 | 2018 | |
| 194 | Trinidad and Tobago | 5 | 2018 | |
| 195 | Sri Lanka | 5 | 2018 | |
| 196 | Saint Vincent and the Grenadines | 5 | 2018 | |
| 197 | Saint Lucia | 5 | 2018 | |
| 198 | Bermuda | 5 | 2018 | |
| 199 | The Bahamas | 5 | 2018 | |
| 200 | Republic of Ireland | 5 | 2018 | |
| 201 | Grenada | 5 | 2018 | |
| 202 | Nepal | 5 | 2018 | |
| 203 | United Kingdom | 5 | 2018 | |
| 204 | New Zealand | 5 | 2018 | |
| 205 | Samoa | 5 | 2018 | |
| 206 | Virgin Islands (British) | 5 | 2018 | |
| 207 | Belize | 5 | 2018 |