⚡ Databases in Japan

Databases are software systems designed to store, organize, and retrieve data efficiently while maintaining consistency, durability, and reliable transaction handling across applications and services.

Japan is an East Asian country with a population of around 125 million people.

According to our statistics, databases are detected on 45.8% of websites from Japan.

Statistics based on 171K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top databases on websites in Japan in 2026, based on market share.

The most popular is MySQL, which dominates the market with an overwhelming 98.7% share.
It is followed by Memcached with 2.8% and Redis with 2.8%.

MySQL 98.7%
Memcached 2.8%
Redis 2.8%
Firebase Realtime Database 1%
Microsoft SQL Server 0.2%
PostgreSQL 0.06%
Cloud Firestore 0.02%
SQLite 0.02%
Supabase 0.02%
MongoDB 0.02%
IndexedDB 0.01%
ScyllaDB 0.005%
IBM Db2 0.005%
Amazon DynamoDB 0.004%
RocksDB 0.003%

🚀 Highlights

Here is a list of the top databases that are more popular in Japan than worldwide.
Differences between global and country rankings are shown in parentheses.

4. Firebase Realtime Database ^(-2)
7. Cloud Firestore ^(-3)
8. SQLite ^(-4)
12. ScyllaDB ^(-8)
14. Amazon DynamoDB ^(-1)
15. RocksDB ^(-6)
16. Bigtable ^(-3)

✨ Best Databases

Below is a more detailed list of 18 databases used on sites from Japan, ranked by their market share.

Rank	Name	Market share
1	MySQL Austin, Texas, United States An open-source relational database management system currently owned by Oracle. FreeOpen source$2,140+/year	98.7%
2	Memcached San Francisco, California, United States An open-source event-based key-value store that keeps data in memory to deliver very low latency access and high throughput. FreeOpen source	2.8%
3	Redis San Francisco, California, United States A popular high-performance in-memory key-value database that persists on disk. FreeOpen source$5+/month	2.8%
4	Firebase Realtime Database Mountain View, California, United States A NoSQL cloud-hosted database developed by Google. Free tier$$$	1%
5	Microsoft SQL Server Redmond, Washington, United States A relational database management system developed by Microsoft. Free$73+/core/month	0.2%
6	PostgreSQL Toronto, Ontario, Canada A powerful open-source object-relational database system that extends SQL with features for storing structured, semi-structured and geometric data. FreeOpen source	0.06%
7	Cloud Firestore Mountain View, California, United States A scalable, enterprise-grade, JSON-compatible document database from Firebase and Google Cloud. Free tier$$$	0.02%
8	SQLite Charlotte, North Carolina, United States A lightweight open source cross-platform single-file SQL database engine with zero-configuration and serverless architecture. Free	0.02%
9	Supabase Singapore An open-source backend-as-a-service platform based on PostgreSQL. FreeOpen source$25+/month	0.02%
10	MongoDB New York, United States A NoSQL, collection-oriented, schema-free document database that supports deployment across cloud or on-premises. Free$0.08+/hour	0.02%
11	IndexedDB Cambridge, Massachusetts, United States A transactional NoSQL database system for the persistent storage of structured data inside a user's browser. Free	0.01%
12	ScyllaDB Sunnyvale, California, United States A real-time, distributed database that is API-compatible with Apache Cassandra and Amazon DynamoDB. Free tier$2,800+/month	0.005%
13	IBM Db2 Armonk, New York, United States A relational database management system designed to handle massive volumes of data. Free$99+/month	0.005%
14	Amazon DynamoDB Seattle, Washington, United States A serverless, fully managed NoSQL database service that supports key-value and document data models for applications requiring predictable low-latency performance at any scale. Free tier$0.625+/million	0.004%
15	RocksDB Menlo Park, California, United States An embeddable, persistent key-value store that is optimized for fast, low-latency storage, such as flash drives and high-speed disk drives. FreeOpen source	0.003%
16	Bigtable Mountain View, California, United States A distributed NoSQL key-value and wide-column database designed for low-latency, high-throughput workloads at large scale. $0.65+/node/hour	0.003%
17	Amazon Neptune Seattle, Washington, United States A serverless graph database engineered to scale for billions of relationships and deliver millisecond-latency queries. Free$0.093+/hour	0.001%
18	Cassandra Wilmington, Delaware, United States An open-source, highly scalable, distributed NoSQL database. FreeOpen source	0.001%

👉 See Also

🌎 Databases in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 171,099 websites from Japan.
We currently track the presence of 24 databases across the web.
Of these, 18 were detected on websites from Japan.
Statistics were last calculated on July 9, 2026.
For more details, see our methodology and disclaimer.