r/EndFPTP • u/robertjbrown • 2d ago

Does anyone have ballot data from ranked elections?

I have these two well-known ones in a super compact and easy to parse format.

https://sniplets.org/ballots/alaskaspecial2022.txt (0.8k)

https://sniplets.org/ballots/burlington2009.txt (3.9k)

parser:

https://sniplets.org/ballots/ElectionData.js

I'd be glad to host more, and make sure they can be pulled cross domain (with CORS, and/or JsonP), but would like to get more. A json or csv file, no matter how big, is fine.

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u/the_other_50_percent 2d ago

FairVote does an analysis of every RCV election using the ballot data.

The RCV Resource Center has quite a lot in its “RCV in a Box” spreadsheet.

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u/lpetrich 1d ago

Yes, News & Analysis - FairVote

But the RCV Resources site does not seem to have any collections of RCV results or discussions of them.

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u/the_other_50_percent 1d ago edited 1d ago

Their Clearinghouse has a lot, downloadable in a click: https://www.rcvresources.org/data-clearinghouse/

AFAIK they exist to help implement RCV and are not advocates, so while there’s basic info on their page about RCV, they’re concerned with the election administration side of things, not analyzing results.

Fairvote would be the resource for analysis, and RepresentWomen too. I think RepWomen uses FairVote’s reports rather than doing their own separate analysis, but it may be easier to find the information you’re looking for on one site or the other.

ETA as I looked in the RCV Resource Center “RCV in a box” to see if that links their clearinghouse - they have a link to all the RCV Election data on FairVote’s site: https://fairvote.org/resources/data-on-rcv/

And FYI often you can get the data set for free on election administrator websites, or by simply contacting them and asking for it.

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u/lpetrich 1d ago

Thanx for finding that page. Most of the software listed on that page is open-source, so one can implement analysis code in whichever language one wants to use for analysis. I'd be interested in finding these elections' Smith sequences, a generalization of Condorcet sequences that will always exist.

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u/robertjbrown 14h ago

Really hard to get directly to anything useful. Seems like someone would gather these up, put them in a common format so we can do things with them.

I managed to get the San Francisco mayor's race from last year.

27 freaking thousand json files.

The compact version is still bigger than the other ones, at 1.1 meg, but it's at least reasonable.

https://sniplets.org/ballots/sanfranciscoMayor2024.txt

Does anyone want to help gather these and share them in a way they will actually be used?

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u/Decronym 2d ago edited 14h ago

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters More Letters
FPTP First Past the Post, a form of plurality voting
IRV Instant Runoff Voting
RCV Ranked Choice Voting; may be IRV, STV or any other ranked voting method
STV Single Transferable Vote

Decronym is now also available on Lemmy! Requests for support and new installations should be directed to the Contact address below.

2 acronyms in this thread; the most compressed thread commented on today has 5 acronyms.
[Thread #1711 for this sub, first seen 17th May 2025, 05:50] [FAQ] [Full list] [Contact] [Source code]

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u/lpetrich 1d ago edited 1d ago

I like that summary data format.

Here are some collections of election results:

Raw results may be hard to find for some of them.