Why does SQLite claim to be the most used database in the world?

Question

The code for SQLite is in the public domain and is thus free for use for any purpose, commercial or private. SQLite is the most widely deployed database in the world with more applications than we can count, including several high-profile projects. SQLite is a compact library.

Why is SQLite so popular?

As SQLite databases are plain files, they're highly portable and easy to back up. The absence of a server component makes SQLite much simpler to set up, too, even if you're not in a fully fledged development environment. There's no long-lived process to monitor, restart, or inspect for security issues.

Is SQLite the most used database?

SQLite is the most used database engine in the world. SQLite is built into all mobile phones and most computers and comes bundled inside countless other applications that people use every day.

How widely used is SQLite?

Since SQLite is used extensively in every smartphone, and there are more than 4.0 billion (4.0e9) smartphones in active use, each holding hundreds of SQLite database files, it is seems likely that there are over one trillion (1e12) SQLite databases in active use.

Is SQLite popular?

SQLite is used by literally millions of applications with literally billions and billions of deployments. SQLite is the most widely deployed database engine in the world today.

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