PyPI Stats
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dataclass-wizard

Simple, elegant, wizarding tools for interacting with Python's dataclasses.
PyPI GitHub
Downloads
Day
161.6K
Week
1.1M
Month
4.9M
Stars
242
Forks
33
Issues
31
Version
0.39.1

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
65
Popularity
48
Adoption
70
Community
40
How the maintenance status was determined
Last commit
120 days ago
Monthly downloads
4,949,193
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
4,949,193
Stars
242
Stars per 1k downloads
0.05
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
152,641
Month daily avg
164,973
Momentum
-7.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.9
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
Apache License 2.0
• 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
120 days ago
Total releases
84
Releases/year
17.7
• 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
18
Monthly downloads
4,949,193
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
55
 
Issue Burden
128.1
per 1k stars
Discussions
37.2
per 1k stars
Fork Ratio
54.5%
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 118.8K
macOS 2.6K
Windows 752

Python Versions

3.13
40.4% 47.8K
3.12
31.8% 37.7K
3.11
10.7% 12.7K
3.10
9.7% 11.5K
3.9
7.4% 8.7K

Top Countries

1. US US
58.9K
2. GB GB
46.9K
3. IE IE
11.0K
4. DE DE
2.1K
5. IN IN
908
6. NL NL
644
7. SG SG
518
8. KR KR
262
9. FR FR
242
10. HU HU
170

Package Information

License
Apache License 2.0
First Release
August 3, 2021
Last Release
4 months ago
Last Commit
4 months ago
Latest Version
0.39.1
Total Releases
84
Contributors
18
Open PRs
2
Archived
No
Python Versions
3 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py2 py3
Keywords
dataclasses wizard json serialization deserialization dataclass serialization type hints performance alias python env dotenv lightweight
Topics
dataclasses-json dataclass dataclasses deserialization python3 json-api for-humans python json serialization python-dataclasses
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links