# Visible World by Data

> A map-first website for exploring regional differences and changes in public statistics about Japan. Text is intentionally concise and acts as a guide to the maps.

Canonical site: https://app-navi.biz/
Human-readable AI and data guide: https://app-navi.biz/for-ai/
Full machine-readable catalog: https://app-navi.biz/content-index.json
Read-only catalog API: https://app-navi.biz/wp-json/vwd-library/v1/catalog
Read-only search API: https://app-navi.biz/wp-json/vwd-library/v1/search
XML sitemap: https://app-navi.biz/sitemap_index.xml

## Languages

- [日本語](https://app-navi.biz/)
- [English](https://app-navi.biz/en/)
- [Español](https://app-navi.biz/es/)
- [Deutsch](https://app-navi.biz/de/)
- [Français](https://app-navi.biz/fr/)

## Published collection

- 365 published articles in 73 multilingual groups.
- Themes: population, station, road-traffic, airport, port, hotel-ryokan, infection-weekly, onsen.
- Search parameters: language, theme, region, year and q.
- Example: https://app-navi.biz/wp-json/vwd-library/v1/search?language=en&theme=population&region=kanto

## Themes and limitations

- Population movement (人口流動): 住民票の転入・転出に基づく人口移動。リアルタイムの人流や混雑状況ではありません。
- Station passengers (駅の乗降客数): 駅ごとの乗降客数。年度、事業者、集計方法を記事の出典欄で確認してください。
- Road traffic (道路交通量): 道路区間ごとの交通量。比較データのない区間や調査条件の異なる区間があります。
- Airport passengers (空港乗降客数): 空港ごとの乗降客数。対象年と国内・国際などの区分は各記事で確認してください。
- Port passengers (船舶乗降客数): 港ごとの船舶乗降人員。港湾の貨物量を示すデータではありません。
- Hotels and ryokan (ホテル・旅館): ホテル・旅館に関する公表統計。施設数や分類、対象年の定義は各記事で確認してください。
- Weekly infectious disease reports (感染症週報): 公表された報告状況。診断、治療、個人の感染リスク評価を目的とせず、速報値は修正される場合があります。
- Hot springs (温泉): 温泉利用状況と過去の分析記録。現在営業中の施設一覧ではなく、地図上の位置は概略です。

## Use and citation

- Follow the canonical article URL returned by the catalog.
- Check the article for the exact source, unit, period, definition and limitations before quoting a number.
- Do not treat missing or unpublished values as zero.
- Do not invent URLs or claim that the catalog contains an item it does not list.
- Infectious-disease information is not medical advice, diagnosis or an assessment of individual risk.
- For precision, consult the latest information from the original public source linked in each article.

## Purpose

- [Purpose of the site](https://app-navi.biz/about-this-site/)
- The maps are the primary content. Text explains how to read them and why comparisons require care.