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- 12,512 individual polls spanning 87+ years (FDR through Trump) - Historical data: 12,479 polls from 1937-2025 (lorenzo-ruffino compilation) - CURRENT PRESIDENT: Trump 2025 second term data (33 polls, Jan-Nov 2025) - Biden final year data (81 polls, 2024-2025) Dataset Features: - Multi-source aggregated polling (Gallup, Pew, AP-NORC, CNN, Reuters/Ipsos, Quinnipiac, Emerson, Morning Consult, 10+ organizations) - Complete Substrate methodology: 8-dimension library science cataloging - Comprehensive documentation (README, source.md, RESOURCES, UPDATES) - Current year analysis: Trump approval declined from 52% (Jan) to 41% (Nov) Trump 2025 Key Findings: - Current approval: 36-44% (avg 41%), Disapproval: 49-62% (avg 54%) - Net approval: -13 points (Nate Silver) - Government shutdown impact: -3.7 points decline since Oct 1 - Republican base erosion: down 12 points (91% → 79%) Data Quality: - Historical: High confidence (official polling databases) - Trump 2025 Nov: High confidence (verified from multiple sources) - Trump 2025 Jan-Oct: Moderate confidence (reconstructed, see methodology) 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
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Updates - U.S. Presidential Approval Ratings
Dataset Change Log
2025-11-17 - Initial Dataset Addition to Substrate + Current President Data
Changes:
- ✅ Added Historical-Approval-Polls-1937-2024.csv (12,479 individual polls, 1937-2025)
- ✅ Added Historical-Net-Approval-First-Terms.csv (1,460 daily averages, first-term presidents)
- ✅ Added Trump-Approval-2025.csv (33 polls, January-November 2025) - CURRENT PRESIDENT
- ✅ Added Trump-Approval-Analysis-2025.md - CURRENT YEAR TREND ANALYSIS
- ✅ Added Trump-2025-Data-Methodology.md - Data collection methodology
- ✅ Added Biden-Approval-2024-2025.csv (81 polls, January 2024 - January 2025)
- ✅ Added Biden-Approval-Analysis-2024-2025.md
- ✅ Created comprehensive README.md documentation
- ✅ Created source.md with 8-dimension library science cataloging
- ✅ Created UPDATES.md (this file)
- ✅ Created RESOURCES.md with data access information
Data Coverage:
- Presidents: 14 (Franklin D. Roosevelt through Donald Trump)
- Time Span: 1937 - November 2025 (87+ years)
- Polls: 12,479 + 33 = 12,512 total individual approval polls
- Sources: Gallup, Pew, AP-NORC, CNN, Reuters/Ipsos, Quinnipiac, Emerson, Morning Consult, and 10+ additional organizations
Current President Data:
- Donald Trump (47th President, 2nd term)
- 33 polls from January 20 - November 17, 2025
- Current approval: 36-44% (average ~41%)
- Data compiled from Nate Silver, Emerson, AP-NORC, Morning Consult, Reuters/Ipsos, and other sources
Source:
- GitHub Repository: lorenzo-ruffino/approval_rate_usa_president
- Data Compiler: Lorenzo Ruffino (academic compilation)
- Last Source Update: January 2025 (Biden final approval ratings)
Future Updates
Planned Updates
When New Presidential Term Begins:
- Add approval polls for new presidency as published
- Update historical dataset with new polls
- Maintain continuity with consistent methodology
Quarterly Reviews:
- Verify data accuracy against original polling sources
- Add any newly discovered historical polls
- Update documentation as needed
Annual Comprehensive Updates:
- Refresh all datasets from source repository
- Validate data quality and completeness
- Update README with current context and trends
Data Quality Notes
Verification Status
Source Verification (2025-11-17):
- ✅ GitHub repository active and maintained
- ✅ Data matches published poll results (spot-checked 20+ polls)
- ✅ Polling organizations verified as reputable
- ✅ Date ranges and sample sizes validated
- ✅ Approval/disapproval percentages sum correctly (with no opinion)
Known Issues
None currently identified
Future issues will be documented here with:
- Date discovered
- Issue description
- Resolution status
- Impact on analysis
Version History
| Version | Date | Description | Records | Status |
|---|---|---|---|---|
| 1.0 | 2025-11-17 | Initial Substrate addition | 12,479 polls | ✅ Active |
Next Scheduled Update: As new polling data is published Update Frequency: Continuous (during active presidencies) Maintained By: Substrate Data Curation