
Since beginning its overseas programs, ISLP has done work in or affecting 72 countries.
ISLP volunteers have worked onsite in 49 countries.
| Afghanistan | Hungary | Peru |
| Argentina | India | Romania |
| Bahrain | Iraq | Russia |
| Bolivia | Jamaica | Rwanda |
| Bosnia | Jordan | Sao Tome and Principe |
| Botswana | Kuwait | Senegal |
| Bulgaria | Kenya | Sierre Leone |
| Burundi | Laos | Somaliland |
| Cambodia | Liberia | South Africa |
| Chad | Lithuania | South Sudan |
| China | Macedonia | Sri Lanka |
| Colombia | Madagascar | Tanzania |
| Croatia | Malawi | Thailand |
| Czech Republic | Mali | Tunisia |
| Dem. Rep. of Congo | Mauritius | Turkey |
| Dominican Republic | Mongolia | The Bahamas |
| Ethiopia | Montenegro | UAE |
| Fiji | Morocco | Uganda |
| The Gambia | Mozambique | Ukraine |
| Ghana | Namibia | Vietnam |
| Rep. of Georgia | Nepal | Western Sahara |
| Guinea | Nigeria | Yemen |
| Haiti | Pakistan | Zambia |
| Honduras | Palestinian Territories | Zimbabwe |