[Event] Social Science Data Infrastructure Workshop 2026 "From Archiving to Intelligence: Developing Interoperable and AI-Ready GIS Datasets" ( January 22, 2026)

[Important notice] SSJDA will stop data usage application service from December 23 (Tue.), 2025 to January 6 (Tue.), 2026, Japan time. Early application is greatly appreciated.

CSRDA Discussion Paper Series No.130 "Gendered Patterns of Parental Involvement in Japan: Exploring Mother-Father Role Sharing″

New data have been released

[Event] International Workshop 2025 "An Open Science Workflow with Preregistration and Restricted Data Management" ( December 16, 2025)

SSJDA Direct will be unavailable from noon to 1:00 P.M. (JST) on November 13, 2025, due to maintenance.

[Re-announcement] All network services, including SSJDA Direct, will be unavailable from 8:00 A.M. to midnight (JST) on September 28, 2025, due to scheduled network maintenance.

CSRDA Discussion Paper Series No.129 "How much does education reduce class-based disparities in occupational attainment? A counterfactual approach″

CSRDA Discussion Paper Series No.128 "Who Gets Trained? Task Intensity, Coverage and Inequality in Employer-Provided Training in Contemporary Japan″

All network services, including SSJDA Direct, will be unavailable from 8:00 A.M. to midnight (JST) on September 28, 2025, due to scheduled network maintenance.

CSRDA Discussion Paper Series No.127 "Population Aging and Taxation Methods″

CSRDA Discussion Paper Series No.126 "Exploring Socially Optimal Rates of Economic Growth and Fertility″

CSRDA Discussion Paper Series No.125 "Economic Development and Fertility Rebound″

CSRDA Discussion Paper Series No.124 "Stepping-down or Skydiving?: A Feature-wide Effect Heterogeneity of Retirement on Subsequent Health″

All network services, including SSJDA Direct, will be unavailable from 1:00 P.M. to 2:00 P.M. (JST) on July 29, 2025, due to network maintenance.

All network services, including SSJDA Direct, will be unavailable from noon to 1:00 P.M. (JST) on July 22, 2025, due to network maintenance.

SSJDA Direct will be unavailable on August 4 and 5 (all day), 2025 due to maintenance.

[Important notice] SSJDA will stop data usage application service from August 1 (Fri) to August 24 (Sun), 2025, Japan time. Early application is greatly appreciated.

SSJ Data Archive Research Paper Series No.95 has been published

CSRDA Discussion Paper Series No.123 "Determinants of Employing Foreign Workers and Introducing Robots at Japanese Long-term Care Industry″