Japan Data FAQs

Question 1

Can Japan Data help with comparing data across different regions in Japan?

Accepted Answer

Yes, a key feature is its ability to support data access for all 47 prefectures and approximately 1,700 municipalities nationwide. It also allows you to easily compare data across multiple regions, presenting it in pivot table-like structures for straightforward analysis and insights.

Question 2

How does Japan Data facilitate AI analysis and data science projects?

Accepted Answer

Japan Data automatically converts raw statistical codes (e.g., area codes, item codes) into their human-readable names. This pre-processing makes the data instantly comprehensible and ready for direct consumption by AI models, machine learning algorithms, and data science workflows without manual cleaning.

Question 3

What kind of public data can I access using Japan Data?

Accepted Answer

You can access a wide range of data including e-Stat government statistics, corporate numbers, locations, and types from the National Tax Agency, real estate transaction prices from MLIT, and invoice registration status and validity details.

Question 4

What is Japan Data and what does it do?

Accepted Answer

Japan Data is a powerful tool designed to access, convert, and prepare various types of Japanese public data for AI analysis. It retrieves information like government statistics (e-Stat), corporate details, real estate transactions, and invoice registration status, transforming complex codes into human-readable formats.

Question 5

Are API keys required to use Japan Data?

Accepted Answer

Yes, an e-Stat API ID is mandatory to use Japan Data, enabling access to government statistics. Additionally, optional API keys for the National Tax Agency's corporate number API and MLIT's real estate information library API are recommended for full functionality, all of which are free to obtain.

Japan Data

Japan Data

Key Features

Use Cases

Key Features

Use Cases