| # | Flag | Country | Pupil-teacher ratio, tertiaryPupil-teacher ratio, tertiary | Year |
|---|---|---|---|---|
| 1 | Guinea-Bissau | 147 | 2006 | |
| 2 | Syria | 64 | 2015 | |
| 3 | Nepal | 60 | 2013 | |
| 4 | Myanmar | 57 | 2017 | |
| 5 | Cameroon | 52 | 2014 | |
| 6 | Sudan | 49 | 2015 | |
| 7 | Mauritania | 42 | 2013 | |
| 8 | Turkey | 40 | 2015 | |
| 9 | Greece | 39 | 2016 | |
| 10 | Central African Republic | 34 | 2011 | |
| 11 | Tanzania | 34 | 2012 | |
| 12 | Kenya | 33 | 2016 | |
| 13 | Pakistan | 33 | 2017 | |
| 14 | Togo | 32 | 2017 | |
| 15 | Yemen | 32 | 2007 | |
| 16 | Ethiopia | 31 | 2014 | |
| 17 | Bangladesh | 30 | 2017 | |
| 18 | Sri Lanka | 30 | 2017 | |
| 19 | Mauritius | 30 | 2010 | |
| 20 | Lesotho | 29 | 2014 | |
| 21 | Guam | 28 | 1989 | |
| 22 | Fiji | 28 | 1991 | |
| 23 | Morocco | 28 | 2017 | |
| 24 | Guatemala | 27 | 2002 | |
| 25 | Indonesia | 27 | 2017 | |
| 26 | Ghana | 27 | 2016 | |
| 27 | Dominican Republic | 27 | 2017 | |
| 28 | Cayman Islands | 26 | 2008 | |
| 29 | Czech Republic | 26 | 2013 | |
| 30 | Comoros | 26 | 2014 | |
| 31 | Algeria | 26 | 2017 | |
| 32 | Angola | 25 | 2015 | |
| 33 | Madagascar | 24 | 2016 | |
| 34 | Uganda | 24 | 2011 | |
| 35 | Thailand | 24 | 2016 | |
| 36 | Vanuatu | 24 | 2002 | |
| 37 | Vietnam | 24 | 2016 | |
| 38 | India | 24 | 2017 | |
| 39 | Gambia | 23 | 2012 | |
| 40 | Libya | 23 | 2003 | |
| 41 | Rwanda | 23 | 2017 | |
| 42 | Philippines | 23 | 2017 | |
| 43 | Egypt | 23 | 2014 | |
| 44 | South Africa | 22 | 1994 | |
| 45 | Jamaica | 22 | 2002 | |
| 46 | Serbia | 22 | 2017 | |
| 47 | Iraq | 22 | 2005 | |
| 48 | Nigeria | 22 | 2011 | |
| 49 | Afghanistan | 21 | 2018 | |
| 50 | Liberia | 21 | 2012 | |
| 51 | France | 21 | 2013 | |
| 52 | Seychelles | 21 | 2017 | |
| 53 | Australia | 20 | 1992 | |
| 54 | Mali | 20 | 2000 | |
| 55 | Saudi Arabia | 20 | 2017 | |
| 56 | Senegal | 20 | 2017 | |
| 57 | Italy | 20 | 2016 | |
| 58 | Burundi | 19 | 2017 | |
| 59 | Burkina Faso | 19 | 2017 | |
| 60 | Bahrain | 19 | 2017 | |
| 61 | Brazil | 19 | 2016 | |
| 62 | The Bahamas | 19 | 1995 | |
| 63 | China | 19 | 2011 | |
| 64 | Djibouti | 19 | 2011 | |
| 65 | Finland | 19 | 2016 | |
| 66 | Honduras | 19 | 2015 | |
| 67 | Marshall Islands | 19 | 2012 | |
| 68 | Romania | 19 | 2016 | |
| 69 | Botswana | 18 | 2017 | |
| 70 | Bermuda | 18 | 2015 | |
| 71 | Guinea | 18 | 2014 | |
| 72 | Mongolia | 18 | 2017 | |
| 73 | El Salvador | 17 | 2017 | |
| 74 | Poland | 17 | 2015 | |
| 75 | Namibia | 17 | 2016 | |
| 76 | Swaziland | 17 | 2013 | |
| 77 | Kuwait | 17 | 2004 | |
| 78 | Zimbabwe | 17 | 2015 | |
| 79 | Benin | 17 | 2011 | |
| 80 | Republic of Macedonia | 17 | 2015 | |
| 81 | Federated States of Micronesia | 17 | 2000 | |
| 82 | United Arab Emirates | 16 | 2016 | |
| 83 | Tajikistan | 16 | 2017 | |
| 84 | Argentina | 16 | 2009 | |
| 85 | Oman | 16 | 2016 | |
| 86 | Ecuador | 16 | 2015 | |
| 87 | Belgium | 16 | 2016 | |
| 88 | Kazakhstan | 16 | 2018 | |
| 89 | United Kingdom | 15 | 2016 | |
| 90 | Republic of Ireland | 15 | 2010 | |
| 91 | Tunisia | 15 | 2012 | |
| 92 | Colombia | 15 | 2016 | |
| 93 | American Samoa | 15 | 2007 | |
| 94 | Democratic Republic Of Congo | 15 | 2013 | |
| 95 | Albania | 15 | 2017 | |
| 96 | Montenegro | 15 | 2017 | |
| 97 | Niger | 15 | 2017 | |
| 98 | Nicaragua | 15 | 2002 | |
| 99 | New Zealand | 15 | 2017 | |
| 100 | Chile | 14 | 2013 | |
| 101 | Macao | 14 | 2017 | |
| 102 | Iran | 14 | 2016 | |
| 103 | Singapore | 14 | 2016 | |
| 104 | Hong Kong | 14 | 1994 | |
| 105 | South Korea | 14 | 2016 | |
| 106 | Belarus | 14 | 2017 | |
| 107 | Peru | 14 | 2002 | |
| 108 | Slovakia | 14 | 2015 | |
| 109 | Eritrea | 14 | 2016 | |
| 110 | Mozambique | 14 | 2017 | |
| 111 | Barbados | 14 | 2007 | |
| 112 | Dominica | 14 | 1993 | |
| 113 | Moldova | 14 | 2017 | |
| 114 | East Timor | 13 | 2009 | |
| 115 | Belize | 13 | 2017 | |
| 116 | Qatar | 13 | 2017 | |
| 117 | Hungary | 13 | 2016 | |
| 118 | Malawi | 13 | 2011 | |
| 119 | Malaysia | 13 | 2017 | |
| 120 | Zambia | 13 | 1987 | |
| 121 | Guyana | 13 | 2012 | |
| 122 | Puerto Rico | 13 | 2016 | |
| 123 | Cambodia | 13 | 2017 | |
| 124 | Republic of the Congo | 12 | 2013 | |
| 125 | Cyprus | 12 | 2015 | |
| 126 | Latvia | 12 | 2016 | |
| 127 | United States | 12 | 2015 | |
| 128 | Venezuela | 12 | 2009 | |
| 129 | New Caledonia | 12 | 1985 | |
| 130 | Jordan | 12 | 2017 | |
| 131 | Kyrgyzstan | 12 | 2017 | |
| 132 | Brunei | 12 | 2017 | |
| 133 | Gabon | 12 | 1999 | |
| 134 | Netherlands | 12 | 2016 | |
| 135 | Sweden | 12 | 2016 | |
| 136 | Slovenia | 11 | 2016 | |
| 137 | Ivory Coast | 11 | 2016 | |
| 138 | Bulgaria | 11 | 2016 | |
| 139 | Uzbekistan | 11 | 2017 | |
| 140 | Mexico | 11 | 2017 | |
| 141 | Laos | 11 | 2017 | |
| 142 | Costa Rica | 11 | 1986 | |
| 143 | Estonia | 11 | 2016 | |
| 144 | Spain | 11 | 2016 | |
| 145 | Panama | 10 | 2015 | |
| 146 | Portugal | 10 | 2016 | |
| 147 | Azerbaijan | 10 | 2017 | |
| 148 | Ukraine | 10 | 2017 | |
| 149 | Bosnia and Herzegovina | 10 | 2017 | |
| 150 | Lithuania | 10 | 2016 | |
| 151 | Russia | 10 | 2016 | |
| 152 | Chad | 10 | 2011 | |
| 153 | Saint Lucia | 10 | 2017 | |
| 154 | Croatia | 9 | 2016 | |
| 155 | Canada | 9 | 2016 | |
| 156 | Haiti | 9 | 1986 | |
| 157 | North Korea | 9 | 2015 | |
| 158 | Luxembourg | 9 | 2016 | |
| 159 | Norway | 9 | 2016 | |
| 160 | Papua New Guinea | 9 | 1999 | |
| 161 | Trinidad and Tobago | 9 | 2004 | |
| 162 | Virgin Islands (British) | 9 | 2016 | |
| 163 | Virgin Islands (US) | 9 | 2007 | |
| 164 | Suriname | 8 | 1990 | |
| 165 | São Tomé and Príncipe | 8 | 2015 | |
| 166 | Iceland | 8 | 2012 | |
| 167 | Denmark | 8 | 2015 | |
| 168 | Antigua and Barbuda | 8 | 2012 | |
| 169 | Cape Verde | 8 | 2017 | |
| 170 | Switzerland | 8 | 2016 | |
| 171 | Aruba | 8 | 2016 | |
| 172 | Palau | 8 | 2013 | |
| 173 | Saint Kitts And Nevis | 7 | 2015 | |
| 174 | Bhutan | 7 | 2012 | |
| 175 | Georgia | 7 | 2017 | |
| 176 | Uruguay | 7 | 2016 | |
| 177 | Sierra Leone | 7 | 2002 | |
| 178 | Saint Vincent and the Grenadines | 7 | 1990 | |
| 179 | Germany | 7 | 2016 | |
| 180 | Austria | 7 | 2017 | |
| 181 | Samoa | 7 | 2000 | |
| 182 | Paraguay | 7 | 1973 | |
| 183 | Malta | 7 | 2016 | |
| 184 | Liechtenstein | 6 | 2016 | |
| 185 | Israel | 6 | 1980 | |
| 186 | Japan | 6 | 2016 | |
| 187 | Monaco | 6 | 2016 | |
| 188 | Armenia | 6 | 2017 | |
| 189 | French Polynesia | 5 | 1984 | |
| 190 | Turkmenistan | 5 | 2014 | |
| 191 | Tonga | 5 | 2000 | |
| 192 | Equatorial Guinea | 4 | 2000 | |
| 193 | Cuba | 4 | 2017 | |
| 194 | Lebanon | 4 | 2014 | |
| 195 | Sint Maarten | 3 | 2015 | |
| 196 | Andorra | 3 | 2017 | |
| 197 | Grenada | 1 | 2017 | |
| 198 | Maldives | 1 | 2003 |