PyRank
CamDavidsonPilon

lifelines

Survival analysis in Python
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

lifelines has 2.1M monthly downloads and 3K GitHub stars. Version 0.30.3 supports Python 3.11+, first published in 2013.

It is stably maintained under a permissive license, last released in Mar 2026.

It is built on top of autograd, autograd-gamma and formulaic. It is used by 153 tracked packages, including ngboost, geocif and xgbse.

GitHub topics include survival-analysis, statistics and data-science.

Downloads
Day
73.7K
Week
486.9K
Month
2.1M
Stars
2.6K
Forks
573
Issues
276
Version
0.30.3

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
75
Adoption
80
Community
90
Provenance
0
How the maintenance status was determined
Last commit
122 days ago
Monthly downloads
2,068,751
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
2,068,751
Stars
2,584
Stars per 1k downloads
1.25
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
69,562
Month daily avg
68,958
Momentum
+0.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.11
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
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
123 days ago
Total releases
175
Releases/year
13.9
• 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
115
Monthly downloads
2,068,751
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
97
 
Issue Burden
106.8
per 1k stars
Discussions
56.5
per 1k stars
Fork Ratio
20.1%
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 45.6K
Windows 684
macOS 404

Python Versions

3.11
53.8% 24.2K
3.12
26.6% 11.9K
3.10
11.5% 5.2K
3.13
5.1% 2.3K
3.14
3.1% 1.4K

Top Countries

1. US US
39.6K
2. NL NL
1.5K
3. IE IE
1.2K
4. AU AU
951
5. GR GR
692
6. SE SE
673
7. CN CN
619
8. SG SG
492
9. HU HU
418
10. DE DE
304
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
MIT
First Release
December 10, 2013
Last Release
4 months ago
Last Commit
4 months ago
Latest Version
0.30.3
Total Releases
175
Contributors
115
Open PRs
21
Archived
No
Author
Cameron Davidson-Pilon
Python Versions
3.11 3.12 3.13 3.14
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links