DataCite is a leading global non-profit organisation that provides persistent identifiers (DOIs) for research data. Our goal is to help the research community locate, identify, and cite research data with confidence. DataCite provides an integrated search interface, where it is possible to search, filter and extract all the details from a collection of millions of records.

EDS - European Data Service
Free of charge-assistance for the official European statistical data products.

Eurostat - Statistical Office of the European Communities
Comprehensive and up-to-date statistical information about the European Union and the member states. Since October 2004 all databases and electronic publications are accessible free of charge.

Federal Statistical Office Germany
The Federal Statistical Office Germany (Statistisches Bundesamt Deutschland) provides in co-operation with the 14 statistical offices of the federal states 350 statistics on the economy, society and environment. You will find here the database GENESIS-Online, the Statistics-Shop, offering amongst others many 'Fachserien' as PDF-files for free downloading, as well as a great variety of special information services.

Federal Statistical Office Germany - International Statistics
Here you can find statistics on almost every country in the world, from the databases of international organizations such as the IMF, OECD, WHO, ILO and UNESCO. The data are presented by country, theme and relevant international organizations. The service is currently available only in German.

The database on historical statistics, developed by GESIS – Leibniz-Institute for the Social Sciences,  contains about 250.000 time series from out of more than 360 studies on  historical statistics of Germany and German economic and social history. The database is sorted by topics and studies, as there are various subjects, which refer to individual studies, such as education and science.

Mendeley Data
Search for research data across domains and types, from many domain-specific, cross-domain and institutional data repositories.

Research Data Centers – a manifold supply of data.
A decentralized network of 30 data centers provides easy and low-cost access to a wide range of research-relevant data.

Statistical Offices worldwide
Collection of links compiled be the Federal Statistical Office Germany.

World DataBank
World DataBank is an analysis and visualisation tool that contains collections of time series data on a variety of topics. You can create your own queries; generate tables, charts, and maps; and easily save, embed, and share them. The following databases are included:

  • World Development Indicators (WDI)
  • International Debt Statistics (IDS)
  • African Development Indicators (ADI)
  • Global Economic Monitor (GEM)
  • Education Statistics
  • Health Nutrition and Population Statistics
  • Millennium Development Indicators
  • Gender Statistics
  • Doing Business Database