An online platform where residents propose, debate and vote on local policies and budgets, turning one-off consultation into a continuous process.
A civic participation platform is a website or app where residents don't just read city decisions but help make them — proposing ideas, debating them, and voting, often on how to spend part of a public budget. The aim is to make participation continuous rather than a rare town-hall meeting.
Barcelona built the open-source Decidim platform in 2016; by 2022 it ran in more than 400 instances across over 20 countries, from Helsinki to France's National Assembly. Seoul's mVoting lets residents poll their own neighbourhoods, and Reykjavík's Better Reykjavík has crowdsourced ideas since 2011. Many are simply the digital layer of participatory budgeting — Medellín now runs its annual budget vote online with biometric ID, drawing a record 168,156 participants in 2025.
A platform is only as representative as who logs in: active users skew toward the already-engaged and the digitally confident, and a city can run a slick tool while quietly ignoring what it produces. The honest test is whether proposals actually turn into policy, not how many clicks they collect.
Added 2026-07-30 · Part of the growing Smart City Glossary