Since many investors have dual citizenship, before applying for an E2 visa on the investor’s passport, it should be examined whether it is not advisable to apply for another passport held by the applicant.
The following is a list of countries that are party to the US Government E2 visa treaty and the number of years for which an E2 visa is granted:
How Long Can An E-2 Visa Be Issued For? – E-2 Visa Reciprocity Schedule
| E-2 Country | How Long E-2 Visa can Be Issued for | Number of Entries to the U.S. Permitted with E-2 Visa |
| Albania | 3 Years | Multiple |
| Argentina | 5 Years | Multiple |
| Armenia | 5 Years | Multiple |
| Australia | 4 Years | Multiple |
| Austria | 5 Years | Multiple |
| Azerbaijan | 3 Months | One |
| Bahrain | 3 Months | One |
| Bangladesh | 3 Months | Two |
| Belgium | 5 Years | Multiple |
| Bolivia[1] | 3 Months | One |
| *Yugoslavia: Bosnia and Herzegovina | 1 Year | Multiple |
| Bulgaria | 5 Years | Multiple |
| Cameroon | 1 Year | N/A |
| Canada | 5 Years | Multiple |
| Chile | 5 Years | Multiple |
| China (Taiwan) | 5 Years | Multiple |
| Colombia | 5 Years | Multiple |
| Congo (Brazzaville) | 3 Months | One |
| Congo (Kinshasa) | 3 Months | Two |
| Costa Rica | 5 Years | Multiple |
| *Yugoslavia: Croatia | 5 Years | Multiple |
| Czech Republic | 5 Years | Multiple |
| Denmark[2] | 5 Years | Multiple |
| Ecuador | 3 Months | Two |
| Egypt | 3 Months | One |
| Estonia | 5 Years | Multiple |
| Ethiopia | 6 Months | Multiple |
| Finland | 2 Years | Multiple |
| France[3] | 5 Years | Multiple |
| Georgia | 1 Year | Multiple |
| Germany | 5 Years | Multiple |
| Grenada | 5 Years | Multiple |
| Honduras | 5 Years | Multiple |
| Iran | 3 Months | One |
| Ireland | 5 Years | Multiple |
| Italy | 5 Years | Multiple |
| Jamaica | 5 Years | Multiple |
| Japan[4] | 5 Years | Multiple |
| Jordan | 3 Months | One |
| Kazakhstan | 1 Year | Multiple |
| Korea (South) | 5 Years | Multiple |
| *Yugoslavia: Kosovo | 1 Year | Multiple |
| Kyrgyzstan | 3 Months | Two |
| Latvia | 5 Years | Multiple |
| Liberia | 1 Year | Multiple |
| Lithuania | 1 Year | Multiple |
| Luxembourg | 5 Years | Multiple |
| *Macedonia, The Former Yugoslav Republic of (FRY) | 5 Years | Multiple |
| Mexico | 1 Year | Multiple |
| Moldova | 3 Months | Two |
| Mongolia | 3 Years | Multiple |
| *Yugoslavia: Montenegro | 1 Year | Multiple |
| Morocco | 5 Years | Multiple |
| Netherlands[5] | 5 Years | Multiple |
| Norway[6] | 5 Years | Multiple |
| Oman | 6 Months | Multiple |
| Pakistan | 5 Years | Multiple |
| Panama | 5 Years | Multiple |
| Paraguay | 5 Years | Multiple |
| Philippines | 5 Years | Multiple |
| Poland | 1 Year | Multiple |
| Romania | 5 Years | Multiple |
| *Yugoslavia: Serbia | 1 Year | Multiple |
| Senegal | 1 Year | Multiple |
| Singapore | 2 Years | Multiple |
| Slovak Republic (Slovakia) | 2 Years | Multiple |
| *Yugoslavia: Slovenia | 5 Years | Multiple |
| Spain[7] | 5 Years | Multiple |
| Sri Lanka | 3 Years | Multiple |
| Suriname | 5 Years | Multiple |
| Sweden | 2 Years | Multiple |
| Switzerland | 4 Years | Multiple |
| Thailand | 6 Months | Multiple |
| Togo | 3 Years | Multiple |
| Trinidad and Tobago | 5 Years | Multiple |
| Tunisia | 5 Years | Multiple |
| Turkey | 5 Years | Multiple |
| Ukraine | 3 Months | Two |
| United Kingdom[8] | 5 Years | Multiple |