The Indian Ocean World comprises the area of the globe that is affected by the seasonal monsoon weather system. This area contains an ecological, cultural, political and historical world-system – sustaining interconnected societies and environments which must be viewed as a networked structure rather than a field of individual historical entities.

The contemporary nations of the Indian Ocean World are:
| Afghanistan |
| Armenia |
| Australia |
| Azerbaijan |
| Bahrain |
| Bangladesh |
| Bhutan |
| Botswana |
| Brunei Darussalam |
| Burundi |
| Cambodia |
| China |
| Comoros |
| Djibouti |
| Egypt |
| Eritrea |
| Ethiopia |
| Georgia |
| Hong Kong |
| India |
| Indonesia |
| Iran |
| Iraq |
| Israel |
| Japan |
| Jordan |
| Kazakhstan |
| Kenya |
| Kuwait |
| Kyrgyzstan |
| Laos |
| Lebanon |
| Lesotho |
| Macao |
| Madagascar |
| Malawi |
| Malaysia |
| Maldives |
| Mauritius |
| Mayotte |
| Mongolia |
| Mozambique |
| Myanmar |
| Nepal |
| New Zealand |
| North Korea |
| Oman |
| Pakistan |
| Palestine |
| Papua New Guinea |
| Philippines |
| Qatar |
| Réunion |
| Rwanda |
| Saudi Arabia |
| Seychelles |
| Singapore |
| Somalia |
| South Africa |
| South Korea |
| South Sudan |
| Sri Lanka |
| Sudan |
| Swaziland |
| Syria |
| Taiwan |
| Tajikistan |
| Tanzania |
| Thailand |
| Timor-Leste |
| Turkey |
| Turkmenistan |
| Uganda |
| United Arab Emirates |
| Uzbekistan |
| Vietnam |
| Yemen |
| Zambia |
| Zimbabwe |