Online databases

Economagic.com: Economic Time Series Page

FreeLunch from Economy.com

Global Financial Data

Yahoo Finance and Google Finance

FRED II from Federal Reserve Bank

Interactive Financial Data Finder from Ohio State University

Global, Financial and Exchange Rate Data from International Monetary Fund

US and International Data from Bureau of Economic Analysis

Databases from OECD

Eurostat Databases from European Commission

UK Economics Data from Office for National Statistics

Macroeconomic Data from NBER

Macroeconomic Time Series from Manfred Gartner

M-competition Data

Data centers at universities

Macroeconomic Time Series Data Source Locator from University of Chicago

PACIFIC Exchange Rate Service from University of British Columbia

The Center for Research in Security Prices (CRSP) from Chicago GSB

Panel Study of Income Dynamics (PSID) from University of Michigan

Wharton Research Data Services (WRDS) from University of Pennsylvania

INFORUM from University of Maryland

Journal data archives

Journal of Applied Econometrics Data Achive

Journal of Business and Economic Statistics FTP Data Achive

Journal of Money, Credit, and Banking Data Achive

Data used in textbooks

Econometric Analysis, 6th edition by William Greene

Econometric Analysis, 4th edition by William Greene

Econometrics by Fumio Hayashi

Microeconometrics: Methods and Applications by Colin Cameron and Pravin Trivedi

An Introduction to Classical Econometric Theory by Paul Ruud

Nonlinear Time Series Models in Empirical Finance by Philip Hans Franses and Dick van Dijk

State-Space Models with Regime-Switching by Chang-Jin Kim and Charles R. Nelson

Time Series Models for Business and Economic Forecasting by Philip Hans Franses

Periodicity and Stochastic Trends in Economic Time Series by Philip Hans Franses

Data from econometricians

Data from Papers of Bruce Hansen

Data from Papers of Mark Watson

Data from Papers of James Hamilton

Returns and Breakpoints Data from Kenneth French

Stock Returns from William Schwert

Real-Time Macro Data from Norman Swanson

Russian data

Центральный Банк РФ

Госкомстат

Экономическая Экспертная Группа

Statistical database of Russian economy from HSE

Финам

РБК

AK&M

Московская Межбанковская Валютная Биржа

Фондовая Биржа РТС

Other data compilations

Econometric Links listing

Social Science Statistical Data from UCSD

Quantitative Macroeconomics and Real Business Cycle listing

Stock Market Data in Transition Countries from CERGE-EI

Time-Series and Micro-Data from Economics Web Institute

Regional Economic Data from EconData.Net

Data Links from Chair of Econometrics, HU-Berlin