Publicado en francés bajo el título: Tendances des migrations internationales: rapport annuel 2004.

General introduction -- Pt. 1. Trends in international migration: A. Migration and population trends -- B. Immigration and the labour market -- C. An overview of migration policies -- Notes -- Bibliography -- Pt. 2. Counting immigrants and expatriates in OECD countries: a new perspective: Introduction -- 1. A new database on international migrants -- 2. Immigrants and expatriates in OECD countries: first results -- 3. Expatriates of OECD member countries residing in another country -- 4. Highly skilled migration from non-member countries towards OECD countries: new evidence on "brain drain" -- 5. Recent policy measures in OECD countries for facilitating international recruitment of the highly skilled -- Conclusions -- Notes -- Bibliography -- Pt. 3. Recent changes in migration movements and policies (country notes) -- Statistical annex: Introduction -- Inflows and outflows of foreign population -- Inflows of asylum seekers -- Stocks of foreign and foreign-born population -- Acquisition of nationality -- Inflows of foreign and seasonal workers -- Stocks of foreign and foreign-born labour -- List of SOPEMI Correspondents.