Keio University’s Panel Data Research Center lists household panel datasets and indicates researcher and student access status.
Cross-national Equivalent File
The Cross-National Equivalent File harmonizes variables across household panel surveys and provides researchers access to comparable cross-national data.

About Cross-national Equivalent File
The Cross-National Equivalent File (CNEF) provides a user package of equivalently defined variables for 9 general population household panel surveys. It harmonizes and makes available panel data for social science research that uses a cross-national research design, aiming to provide access at a reasonable cost.
Access requires an application, and applicants are directed to the site's Access Policies page. The CNEF-Investigator platform is described as offering almost all country-specific data online. Pricing details are not stated.
Key features
- Equivalently defined variables for 9 general population household panel surveys
- Harmonized cross-national data for social science research designs
- CNEF-Investigator platform offers almost all country-specific data online
- Application process for requesting access to CNEF data
- Access Policies page describes terms for obtaining data
- Harmonizes variables across participating household panel surveys
- Covers 9 general population household panel surveys
- Makes almost all country-specific data available online through CNEF-Investigator
- Access requires submitting an application and waiting for the team to follow up
- Pricing is not specified on the homepage
- The specific countries covered by the 9 surveys are not listed on the homepage
Cross-national Equivalent File at a glance
- Website
- cnefdata.org
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Cross-national Equivalent File FAQ
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