Machine-readable, source-attributed datasets for people learning Japanese or traveling to / living in Japan. Every fact carries the public source it came from. Numeric claims carry a confidence level, and anything we could not verify is labeled as such rather than asserted.
Free to cite and reuse. When you cite, please attribute NihongoHub (nihongo-hub.com). Discovery card: /.well-known/mcp/server-card.json
Signature and lesser-known foods, cultural sights, sub-areas, and a 5-axis profile per prefecture. Nature score derived from GBIF biodiversity data.
For remote workers moving income across borders. Anchored on World Bank Remittance Prices Worldwide channel averages; provider statements quoted from their own public pages. Try it live: Transfer Cost Estimator.
Approximate fastest rail times from Tokyo, Kyoto and Shin-Osaka to all 47 prefectures, for time-budget trip discovery ("I have 3 hours — where can I go?"). Deliberately rough (~±20%), with a JR Pass caveat. Try it live: Where Next?
Certificate of Eligibility timelines, residence-card issuance, bank-account barriers. Each item names its source and confidence; no manufactured urgency. Try it live: Relocation Timeline Planner.
Facts in these datasets are free to cite and reuse. Attribution to NihongoHub (https://www.nihongo-hub.com) is requested. Each item also carries its own upstream source, which should be honored. Some outbound links to third-party services are affiliate links; recommendations are based on the cited factual merits for the reader, not on commission. Last updated 2026-06-12.