PyRank
openfisca

openfisca-core

OpenFisca core engine. See other repositories for countries-specific code & data.
PyPI GitHub
More links
Download Stats
Monthly downloads
41.7K
Weekly downloads
9.5K
GitHub stars *
244

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
45.0.5
Requires Python
Not specified
Licence
License-Expression :: AGPL-3.0-or-later
Last Release
2 weeks ago
Author
OpenFisca Team
First Release
September 7, 2015
Total Releases
462
Python Versions
3.10 3.11 3.12 3.13
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
53
Adoption
56
Community
90
Provenance
0
How the maintenance status was determined
Last commit
13 days ago
Monthly downloads
41,667
• 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
41,667
Stars
244
Stars per 1k downloads
5.86
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
1,355
Month daily avg
1,389
Momentum
-2.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
Not specified
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
Legacy
Supports 3.10 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
13 days ago
Total releases
462
Releases/year
41.6
• 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
50
Monthly downloads
41,667
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
74
 
Issue Burden
418.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
53.2%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 503
Windows 2
macOS 1

Python Versions

3.10
49.3% 245
3.12
29.0% 144
3.11
17.9% 89
3.13
2.2% 11
3.7
1.6% 8

Top Countries

1. US US
692
2. HK HK
602
3. AU AU
31
4. FR FR
16
5. CN CN
6
6. CA CA
5
7. IN IN
5
8. JP JP
4
9. DE DE
3
10. KR KR
3

Weekly Downloads

GitHub Stars *

Dependencies

10
17 optional dependencies
  • build<0.11.0,>=0.10.0[ci]
    extra == "ci"
  • codespell<3.0,>=2.3.0[dev]
    extra == "dev"
  • colorama<0.5,>=0.4.4[dev]
    extra == "dev"
  • flask<4.0,>=2.2.3[web-api]
    extra == "web-api"
  • flask<4.0,>=2.2.3[dev]
    extra == "dev"
  • flask-cors<4.0,>=3.0.10[web-api]
    extra == "web-api"
  • flask-cors<4.0,>=3.0.10[dev]
    extra == "dev"
  • gunicorn<22.0,>=21.0[dev]
    extra == "dev"
  • gunicorn<22.0,>=21.0[web-api]
    extra == "web-api"
  • mypy<2.0,>=1.11.2[dev]
    extra == "dev"
  • openapi-spec-validator<0.8.0,>=0.7.1[dev]
    extra == "dev"
  • openfisca-tracker<0.5.0,>=0.4.0[tracker]
    extra == "tracker"
  • ruff<1.0,>=0.6.9[dev]
    extra == "dev"
  • twine<7.0,>=6.0[ci]
    extra == "ci"
  • werkzeug<4.0,>=2.2.3[dev]
    extra == "dev"
  • werkzeug<4.0,>=2.2.3[web-api]
    extra == "web-api"
  • wheel<0.41.0,>=0.40.0[ci]
    extra == "ci"

Used By

29
View all 29 dependents

Repository details

Forks
94
Issues
102
Last Commit
2 weeks ago
Contributors
50
Open PRs
14
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
benefit microsimulation social tax
Sources and methodology