PyPI Stats
openfisca

openfisca-core

OpenFisca core engine. See other repositories for countries-specific code & data.
PyPI GitHub

Shared Repository

This package shares its GitHub repository (openfisca/openfisca-core) with 1 other package. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
1.6K
Week
15.8K
Month
91.9K
Stars
222
Forks
84
Issues
99
Version
44.7.0

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
52
Adoption
49
Community
75
How the maintenance status was determined
Last commit
14 days ago
Monthly downloads
91,873
• 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
91,873
Stars
222
Stars per 1k downloads
2.42
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
2,258
Month daily avg
3,062
Momentum
-26.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
License-Expression :: AGPL-3.0-or-later
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
14 days ago
Total releases
455
Releases/year
42.6
• 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
48
Monthly downloads
91,873
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
73
 
Issue Burden
445.9
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
57.1%
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 573

Python Versions

3.14
46.3% 262
3.7
19.4% 110
3.11
17.1% 97
3.12
15.9% 90
3.10
1.2% 7

Top Countries

1. CN CN
1.2K
2. ES ES
263
3. US US
205
4. HK HK
110
5. IN IN
103
6. AU AU
24
7. SG SG
18
8. JP JP
2
9. CA CA
1

Dependencies

10
32 optional dependencies

Used By

24
View all 24 dependents

Package Information

License
License-Expression :: AGPL-3.0-or-later
First Release
September 7, 2015
Last Release
2 weeks ago
Last Commit
2 weeks ago
Latest Version
44.7.0
Total Releases
455
Contributors
48
Open PRs
8
Archived
No
Author
OpenFisca Team
Python Versions
3.10 3.11 3.12 3.13
Wheels
py2 py3
Keywords
benefit microsimulation social tax
Topics
legislation-as-code rules-as-code better-rules microsimulation
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links