PostgreSQL vs MongoDB

Versions, support lifecycles and key facts side by side. Dates update automatically from the release data.

Attribute	PostgreSQL	MongoDB
Type	Database	Database
Project status	Active	Active
Developer	PostgreSQL Global Development Group	MongoDB, Inc.
First release	29 Jan 1997	27 Aug 2009
Release cadence	Major release yearly (September/October); each supported for 5 years	Major release yearly; rapid releases on MongoDB Atlas
Newest release	PostgreSQL 18 · released Sep 2025	MongoDB 9.0 · released Sep 2026
Latest LTS	—	—
Supported versions	4	4
Longest support	PostgreSQL 18 — until Nov 2030	MongoDB 9.0 — until Oct 2031
Model	Object-relational (SQL)	Document database (BSON/JSON)
Notable features	MVCC, JSONB, extensions (PostGIS, pgvector), logical replication	—
Written in	C	C++
Runs on	Linux, Windows, macOS, BSD	Linux, Windows, macOS; MongoDB Atlas (cloud)
Support	5 years per major version; minor releases every quarter	—
License	PostgreSQL License (BSD-style)	Server Side Public License (SSPL)
Query language	—	MongoDB Query API, aggregation pipeline
Guides on TecAdmin	27 guides	16 guides

Supported versions today