PyRank
ijl

orjson

Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy
PyPI GitHub

Shared Repository

This package shares its GitHub repository (ijl/orjson) with 1 other package. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
7.5M
Week
43.1M
Month
189.0M
Stars
8.1K
Forks
305
Issues
0
Version
3.11.9

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
79
Adoption
70
Community
30
How the maintenance status was determined
Last commit
16 days ago
Monthly downloads
188,982,074
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
188,982,074
Stars
8,083
Stars per 1k downloads
0.04
• Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
6,160,253
Month daily avg
6,299,402
Momentum
-2.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.12 or newer
• Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MPL-2.0 AND (Apache-2.0 OR MIT)
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
16 days ago
Total releases
149
Releases/year
19.9
• Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
24
Monthly downloads
188,982,074
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
• Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
28
 
Issue Burden
0.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
7.9%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 3.4M
Windows 132.7K
macOS 77.1K

Python Versions

3.12
39.2% 1.3M
3.11
22.6% 758.6K
3.13
17.0% 571.4K
3.10
14.3% 480.7K
3.14
6.8% 227.7K

Top Countries

1. US US
2.6M
2. DE DE
105.7K
3. IE IE
83.0K
4. GB GB
83.0K
5. IN IN
75.6K
6. SG SG
69.2K
7. NL NL
65.2K
8. BE BE
58.0K
9. FI FI
43.7K
10. JP JP
42.0K

GitHub Topics

Tags from the package's GitHub repository describing what it does.

Package Information

License
MPL-2.0 AND (Apache-2.0 OR MIT)
First Release
November 23, 2018
Last Release
2 weeks ago
Last Commit
2 weeks ago
Latest Version
3.11.9
Total Releases
149
Contributors
24
Open PRs
0
Archived
No
Python Versions
3 3.10 3.11 3.12 3.13 3.14 3.15
Wheels
cp310 cp311 cp312 cp35 cp36 cp37 cp38 cp39
Tracking Since
January 6, 2026
Data Updated
May 17, 2026
Data Freshness
Fresh

Links