Organization for Economic Co-operation and Development (OECD)
You can read extensive information on the OECD's activities,
publications, and their data products here. The "Statistics"
section offers a variety of socioeconomic indicators. Of particular
interest is "Economic Statistics," which offers some recent summary
data for OECD countries. "Latest short-term indicators" and
"Frequently requested statistics" provide much of the most useful
data (the former is basically the last quarter's data, while the
latter includes GDP, GDP per capita, unemployment, and the like).
Of particular interest is their unemployment data as it is standarized
However, there are no publicly available historic time series.
There is also some analysis of current economic conditions. News
releases and newsletters can be found in the "News and Events" area.