| 新一届欧委会 | 上一届欧委会(1999-2004) |
| President Barroso | President Prodi |
| Vice president, Institutional Relations and Communication Strategy | Vice president,Relations with the European Parliament,Transport and energy |
| Vice president, Enterprise and Industry | |
| Vice president, Transport | |
| Vice president, Administrative Affairs, Audit and Anti-Fraud | Vice presidentAdministrative reform |
| Vice president, Justice, Freedom and Security | Justice and Home Affairs |
| Information Society and Media | Enterprise and information Society |
| Environment | Environment |
| Health and Consumer Protection | Health and Consumer protection |
| Economic and Monetary Affairs | Economic and Monetary Affairs |
| Regional Policy | Regional Policy |
| Financial Programmingand Budget | Budget |
| Science and Research | Research |
| Education, Training, Culture and Multilingualism | Education and Culture |
| Enlargement | Enlargement |
| Development and Humanitarian Aid | Development and Humanitarian aid |
| Competition | Competition |
| Agriculture and Rural Development | Agriculture and fisheries |
| External Relations and European Neighborhood Policy | External relations |
| Internal Market and Services | Internal Market |
| Employment, Social Affairs and Equal Opportunities | Employment and Social affairs |
| Trade | Trade |
| Fisheries and Maritime Affairs | |
| Taxation and Customs Union | |
| Energy | |