International statistical organisations

Eurostat, The Statistical Office of the European Communities
International Association for Official Statistics
International Monetary Fund (Dissemination Standards Bulletin Board)
Interstate Statistical Committee of the Commonwealth of the Independent States
Organisation for Economic Co-operation and Development (OECD)
World Trade Organization (WTO)
World Bank
European Central Bank
UNESCO

United Nations

Economic Commission for Europe Statistical Division (UN/ECE) - Economic Commission for Europe (UN/ECE)
Population Fund (UNFPA)
Population Information Network (UN/DESIPA/POPIN)
Statistics Division (UN/DESIPA/STAT)
World Agricultural Information Centre (WAICENT) - Food and Agricultural Organization (FAO)

National statistical offices

Europe

Albania: Institute of Statistics
Andorra: Departament d'Estudis i d'Estadística
Austria: Statistics Austria
Belarus: Ministry of Statistics and Analysis
Belgium: National Institute of Statistics
Bosnia and Hertzegovina:
    Agency for Statistics of Bosnia and Herzegovina
    Federal Office of Statistics
    Republika Srpska Institute of Statistics
Bulgaria: National Statistical Institute of the Republic of Bulgaria
Croatia: Central Bureau of Statistics
Cyprus: Department of Statistics and Research
Czech Republic: Czech Statistical Office
Denmark: Statistics Denmark
Estonia: Estonian Statistical Office
Faroe Islands: Statistics Faroe Islands
Finland: Statistics Finland
France:
    The National Institute of Statistics and Economic Studies (INSEE)
    National Institute for Demographic Studies (INED)
Germany: Federal Statistical Office
Great Britain: Office for National Statistics
Greece: National Statistical Service of Greece
Greenland: Statistics Greenland
Georgia: State Department for Statistics of Georgia
Hungary: Hungarian Central Statistical Office
Iceland: Statistics Iceland
Ireland: Central Statistical Office
Italy: National Institut of Statistics
Latvia: Central Statistical Bureau
Lithuania: Department of Statistics
Luxembourg: Central Service for Statistics and Economic Studies
Macedonia: State Statistical Office
Malta: National Statistics Office
Montenegro: Statistical Office of the Republic of Montenegro
Netherlands: Statistics Netherlands
Norway: Statistics Norway
Poland: Central Statistical Office
Portugal: Instituto Nacional de Estatística
Romania: National Institute of Statistics
Russia: State Committee of  the Russian Federation on Statistics
Slovakia: Statistical Office of the Slovak Republic
Slovenia: Statistical Office of the Republic of Slovenia
Spain: Instituto Nacional de Estadística
Sweden: Statistics Sweden
Switzerland: Statistik Schweiz
Turkey: State Institute of Statistics

North America

Canada: Statistics Canada
Mexico: Instituto Nacional de Estadística, Geografía e Informática (INEGI)
United States:
    Fedstat
        USA: Bureau of the Census
        Bureau of Economic Analysis
        Bureau of Justice Statistics
        USA: Bureau of Labor Statistics
        Bureau of Transportation Statistics
        USA: Department of Commerce (STAT-USA)
        Energy Information Administration
        National Center for Health Statistics
        National Center for Education Statistics

Latin America

Anguilla: Statistics Unit
Argentina: Instituto Nacional de Estadística y Censos
Aruba: Central Bureau of Statistics
Barbados: Statistical Service
Bolivia: Instituto Nacional de Estatistica
Brazil: Instituto Brasileiro de Geografia e Estatística
Chile: Instituto Nacional de Estadísticas
Colombia: Departamento Administrativo Nacional de Estadística DANE
Costa Rica: General Directorate of statistics and Censuses
Cuba: Ministerio de Salud Publica, Direccion Nacional de Estadistica
Dominican Republic: Oficina Nacional de Estadística
Ecuador: Instituto Ecuatoriano de Estadisticas y Censos
El Salvador: Direccion General de Estadistica y Censos
Guatemala: Instituto Nacional de Estadística
Jamaica: Statistical Institute of Jamaica 
Panama: Contraloria General
Paraguay: Dirección General de Estadística, Encuestas y Censos
Peru: Instituto Nacional de Estadística e Informática (INEI)
Saint Lucia: Saint Lucian Government Statistics Department
Uruguay: Instituto Nacional de Estadística
Venezuela: Instituto Nacional de Estadística de Venezuela

Asia

Armenia: Ministry of statistics state register and analysis of the republic of Armenia
Azerbaijan: State Statistical Committee of Azerbaijan Republic
Bangladesh: National Data Bank
China: National Bureau of Statistics
Hong Kong: Census and Statistics Department
India:
    Census of India
    Department of Statistics
Indonesia: Central Bureau of Statistics
Iran: Statistical Centre of Iran
Israel: Central Bureau of Statistics
Japan: Statistics Bureau & Statistics Center
Jordan: Department of Statistics
Kazakhstan: Agency on Statistics of the Republic of Kazakhstan
Korea: National Statistical Office
Kuwait: Ministry of Planning. Statistics and Information Sector
Kyrgyzstan: National Statistical Committee
 Lebanon: Central Administration for Statistics
Malaysia: Department Of Statistics, Malaysia
Mongolia: National Statistical Office
Oman: Ministry of National Economy 
Palestine: Palestinian Central Bureau of Statistics
Philippines:
    National Statistical Coordination Board
    National Statistics Office
Singapore: Statistics Singapore
Sri Lanka: Department of Census and Statistics
Taiwan: Directorate General of Budget, Accounting and Statistics
Thailand: National Statistical Office
Uzbekistan: Ministry of Macroeconomy and Statistics

Africa

Algeria: Office National des Statistiques
Benin: Ministry of Planning and Economic Reconstruction
Egypt: Central Agency for Public Mobilization and Statistics
Malawi: National Statistical Office of Malawi
Mauritania: Office National de la Statistique
Mauritius: Central Statistical Office
Mozambique: National Institute of Statistics
Nigeria: Nigerian National Bureau of Statistics
Seychelles: Statistics and Database Administration Section
South Africa: Statistics South Africa
Tunisia: Institut National de la Statistique

Oceania

Australia: Australian Bureau of Statistics
Fiji Islands: Fiji Islands Statistics Bureau
Guam: Guam Department of Commerce
Marshalli Islands: Office of Planning and Statistics
New Zealand: Statistics New Zealand