How to Search Japan Records
Japan provides 4 searchable databases across multiple government agencies. Use the portals below based on the record type you need.
Important: Access rules vary. Some Japan records require registration, fees, or formal requests. Criminal records in most countries are restricted and require authorization.
SearchSystems.net has tracked international public record sources since 1997.
Emmigrants to the United States
Official Government Source Free Access
Search this BYU Idaho site for Japanses Immigrants to the United States between 1887 to 1924.
Government and Legal Information in Japan
Official Government Source Free Access
Search legal information for Japan and access government resources for courts and case law, education, government, law journals, law reform, lawyers, legal aid, legislation, Parliament, civil law, companies, and other government and legal information.
Japan | Courts of Japan
Official Government Source Free Access
Official English-language portal of the Japanese court system.
Japan | Historical Records (JACAR)
Official Government Source Free Access
Japan Center for Asian Historical Records - search digitized government documents from the National Archives.
Frequently Asked Questions
How do I search Japan public records?▼
Use the databases listed above - these are the primary official sources for Japan. International record systems vary - access methods and availability differ from U.S. systems.
Are Japan criminal records publicly searchable?▼
In most countries, criminal records are NOT publicly searchable online. They typically require a formal background check with the subject's consent. This is different from the U.S., where many county court records are publicly accessible.
Why are there fewer databases than U.S. states?▼
Most countries do not make the same range of public records freely searchable online as U.S. states do. Many international records require registration, fees, or formal government requests. What is listed here represents the best available free online access.
More International Records
Last reviewed: May 25, 2026