Migrate from MongoDB to PostgreSQL

38 public pull requests on GitHub since Oct 2024, in 37 repos, say they move a project from MongoDB to PostgreSQL. 23 go the other way. Real code changes by developers in general, not only makers — read from the titles, so a PR is counted when its title says "MongoDB to PostgreSQL".

When they moved

Pull requests a month. Most are recent: 26 in the last 13 months against 12 before. The busiest month was Apr 2026 (5).

Oct 2024Oct 2026 (so far)

What they move

The part of the app a pull request's title names — "migrate auth from MongoDB to PostgreSQL". Many titles name none, so the shares don't add up to 100%.

  • Database21% 8 of 38
  • Storage11% 4 of 38

The newest 20 pull requests

All matching pull requests on GitHub, both ways ↗

MongoDB and PostgreSQL, side by side

Among makers' products we track for database: MongoDB 127, PostgreSQL 98.

Where else MongoDB projects go

Where else PostgreSQL's newcomers come from

Questions

How many projects have moved from MongoDB to PostgreSQL?

38 public pull requests on GitHub since Oct 2024, in 37 repos, have a title saying they move from MongoDB to PostgreSQL.

Do projects move back from PostgreSQL to MongoDB?

Yes: 23 pull requests over the same time go from PostgreSQL to MongoDB, against 38 from MongoDB to PostgreSQL.

What do people move first from MongoDB to PostgreSQL?

Of the pull request titles, 21% name database, 11% name storage.

GitHub search, Oct 2026 (as of 2026-10-02).