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---
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license: odc-by
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language:
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- en
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tags:
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- politics
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- campaign-finance
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- elections
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- ideology
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- united-states
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- political-science
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- congress
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- voting-records
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pretty_name: TYT Political Data (Parquet)
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size_categories:
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- 100M<n<1B
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---
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# TYT Political Data (Parquet Format)
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A comprehensive collection of U.S. political data in Parquet format, combining campaign finance, congressional voting records, and legislator information.
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## Datasets
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### DIME - Campaign Finance (1979-2024)
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The [Database on Ideology, Money in Politics, and Elections](https://data.stanford.edu/dime) compiled by Adam Bonica at Stanford University.
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| Directory | Description | Records |
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|-----------|-------------|---------|
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| `dime/contributions/by_year/` | Itemized political contributions | 850M+ |
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| `dime/recipients/` | Candidate and committee CFscores | 156K+ |
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| `dime/contributors/` | Individual donor and PAC CFscores | 36M+ |
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### Voteview - Congressional Voting (1789-Present)
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[Voteview](https://voteview.com/) roll-call voting data from Lewis, Poole, Rosenthal et al.
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| File | Description | Records |
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|------|-------------|---------|
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| `voteview/HSall_members.parquet` | Congressional members with NOMINATE scores | 51K |
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| `voteview/HSall_rollcalls.parquet` | Roll call vote metadata | 113K |
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| `voteview/HSall_votes.parquet` | Individual vote records | 26M |
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### United States Congress Legislators
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Legislator data from [@unitedstates/congress-legislators](https://github.com/unitedstates/congress-legislators).
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| File | Description | Records |
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|------|-------------|---------|
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| `unitedstates_congress_github/legislators-current.parquet` | Currently serving legislators | 540 |
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| `unitedstates_congress_github/legislators-historical.parquet` | All historical legislators | 12,222 |
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## Usage
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```python
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import polars as pl
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# Load DIME contributions
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contributions = pl.read_parquet("hf://datasets/Dustinhax/tyt/dime/contributions/by_year/*.parquet")
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# Load Voteview voting records
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votes = pl.read_parquet("hf://datasets/Dustinhax/tyt/voteview/HSall_votes.parquet")
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# Load current legislators
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legislators = pl.read_parquet("hf://datasets/Dustinhax/tyt/unitedstates_congress_github/legislators-current.parquet")
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# Join legislators with Voteview using ICPSR ID
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members = pl.read_parquet("hf://datasets/Dustinhax/tyt/voteview/HSall_members.parquet")
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joined = legislators.join(members, left_on="icpsr_id", right_on="icpsr", how="inner")
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```
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## Cross-Reference Keys
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| Dataset | Key Column | Links To |
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|---------|------------|----------|
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| Voteview Members | `icpsr` | Voteview Votes (`icpsr`), Legislators (`icpsr_id`) |
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| Voteview Members | `bioguide_id` | Legislators (`bioguide_id`) |
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| Legislators | `icpsr_id` | Voteview data |
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| Legislators | `bioguide_id` | Voteview Members, Congress.gov |
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| DIME Recipients | `recipient.icpsr` | Voteview Members |
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## Licenses & Citations
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### DIME
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- **License:** Academic use, non-commercial research
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- **Citation:** Bonica, Adam. 2024. Database on Ideology, Money in Politics, and Elections: Public version 4.0. Stanford, CA: Stanford University Libraries. https://data.stanford.edu/dime
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### Voteview
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- **License:** CC BY-NC 4.0 (attribution required, non-commercial)
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- **Citation:** Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet. 2024. Voteview: Congressional Roll-Call Votes Database. https://voteview.com/
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### United States Congress Legislators
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- **License:** Public Domain
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- **Source:** https://github.com/unitedstates/congress-legislators
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## Related Resources
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- [DIME Homepage](https://data.stanford.edu/dime)
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- [Voteview](https://voteview.com/)
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- [unitedstates/congress-legislators](https://github.com/unitedstates/congress-legislators)
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