Terms of Service

Last updated: April 8, 2026

These Terms of Service ("Terms") govern your use of jinkou.keydrop.net ("the Site"). By accessing or using the Site, you agree to be bound by these Terms.

1. Service Description

The Site provides a visualization service for historical population data and future population projections for municipalities in Japan.

2. Data Accuracy

1. Data is sourced from e-Stat (Statistics Bureau of Japan) and the National Institute of Population and Social Security Research (IPSS).
2. We do not guarantee the accuracy, completeness, or timeliness of the data.
3. Values beyond 2050 are extrapolations and may differ significantly from actual outcomes.
4. Data updates are performed periodically and may not reflect the latest published figures.

3. Disclaimer

1. The operator assumes no liability for decisions or actions taken based on information provided by this Site.
2. For important decisions such as real estate transactions, relocation, or business planning, please consult official sources and professionals.
3. The operator is not liable for any damages resulting from service interruptions, modifications, or termination.
4. The operator is not responsible for the content of external websites linked from this Site.

4. Advertising

This Site uses Google AdSense, a third-party advertising service. Advertising partners may use cookies to display ads based on your interests. See our Privacy Policy for details.

5. Analytics

This Site uses Google Analytics 4 (GA4) to collect access information. GA4 uses cookies to collect data but does not collect personally identifiable information. See our Privacy Policy for details.

6. Intellectual Property

1. The design, layout, and programming of this Site are copyrighted by the operator.
2. Statistical data used on this Site is copyrighted by the respective data providers.
3. Personal use, educational use, and quotation with proper attribution are freely permitted.

7. Geographic Scope

This service is primarily intended for users in Japan and does not specifically target residents of the European Economic Area (EEA), the United Kingdom, or Switzerland. When accessed from these regions, cookies are not used and personalized advertisements are not served.

8. Governing Law

These Terms shall be governed by and construed in accordance with the laws of Japan. Any disputes shall be subject to the exclusive jurisdiction of the Tokyo District Court.

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