Most governments have an equivalent to an office of national statistics, that gathers economic (and sometimes other) data from that jurisdiction. This category lists official and semi-official statistics offices.
Detailed statistics on the EU and candidate countries, and various statistical publications for sale. [English/French/German] http://europa.eu.int/comm/eurostat/
Government body responsible for compiling Irish official statistics. Provides data and information on methodology. Also available in Irish. http://www.cso.ie/
A division of the Ministry of Economic Affairs. Official statistical site for Belgium. Information on unemployment, consumer prices and labour information. Also includes wage data. [German/Dutch/French/English] http://www.statbel.fgov.be/
Data on economy, population and society at national and local level. Summaries and detailed data releases are published free of charge. http://www.statistics.gov.uk/
Features a table of main socio-economic indicators of the Republic of Belarus for 2001 and 2002. [English/Russian] http://www.president.gov.by/Minstat/
Describes processes of collecting information, and lists available data resources, including demographics and quarterly economics. Complete information in French, some data in German and in English. http://www.statec.lu/
Produces economic and social indicators and statistics, with latest data releases highlighted. Also describes organizational structure and lists publications. [Albanian/English] http://www.instat.gov.al/
Economic as well as demographic data, with information on release schedule, past publications, and agency organization. [English/Macedonian] http://www.stat.gov.mk
Limited information in English, including press releases with statistical highlights, and information on publications. More complete in Romanian and Russian. http://www.statistica.md/
Official source of numerical data on population, economy, and elections, with back issues of the Monthly Review of Economic Statistics, and the latest edition of Economic Trend. [English/Serbian] http://www.szs.sv.gov.yu/
Istituto Nazionale di Statistica, with some economic and social data in English, and more detailed information in Italian. Describes services and products available, as well as research projects and internal quality controls. http://www.istat.it/
Comprehensive information including, consumer prices, finance, income, private consumption, trade and the environment. [English/Finnish/Swedish] http://www.stat.fi/
Highlights of recent releases, agency structure, and listing of publications and custom services. [English/Ukrainian/Russian] http://www.ukrstat.gov.ua/