All party parliamentary groups (registers of) & Financial donations (searchable) via Open Democracy

Brexit 2016 referendum results

China: dissent

Donations to political parties & MPs

Electiontechhandbook.uk — data & tech resources around elections

Electoral Commission (elections & financing of)

Electoral statistics — Office for National Statistics

Electoral register figures (ONS)

Facebook Ad Library (UK)

General election results 2019

General election results 2019 — Electoral Commission

Google & political advertising — Google Transparency Report


Lobby meetings with UK ministers — Transparency International (EU, France, Italy and Chile also available)

Lobbyists register

Local election turnout, Wales 2017

Ministerial resignations since Thatcher

Ministers’ gifts, hospitality, travel etc.

Petitions to Senedd

Sanctions list

Scottish parliament

Senedd elections 2021 (under ‘supporting evidence’)

Senedd Record in 5th Senedd

Senedd Record for current parliament via XML

Senedd Register of Members’ Interests

Parliament APIs — DDP Explorer

Register of Members’ Financial Interests | Can be queried using Datasette