Conservative * Oppose an independence referendum in Scotland * Introduce a UK shared prosperity fund, to be used to tackle inequality and deprivation in each nation * Devolve power across the UK, building on the success of metropolitan mayors, and publish an English devolution white paper in 2020 * Get rid of the Fixed Term Parliament Act and review parliamentary boundaries * Introduce a photo ID requirement for voting

Labour * Extend voting rights to 16 and 17-year-olds, and all UK residents in general elections * Abolish the House of Lords and replace it with an entirely elected second chamber * Oppose a second Scottish independence referendum in the early years of a Labour government * £5bn additional core funding for councils and bring council services, such as bin collections, back in-house within the next Parliament * £10.2bn for Scotland, Wales and Northern Ireland

Liberal Democrats * Scrap first-past-the-post and introduce proportional representation for general elections and local elections * Allow voting from the age of 16 and for all EU citizens who have been living in the UK for five years or more * Reform the House of Lords, cap donations to political parties and ban MPs from paid lobbying work * A written constitution for a federal United Kingdom - but no second independence referendum in Scotland * More devolution within England, a £50bn regional rebalancing programme, and £6.8bn funding and more powers to Scotland, Wales and Northern Ireland

Independent Group for Change * Westminster's second chamber to be reformed with representation from the devolved nations, regions and local government * Real powers for elected mayors with accountability to local residents and greater devolution of power to a local level across all layers of government * Compulsory voting in the UK with provision for abstention * Hold summit of the UK’s smaller political parties to discuss breaking "the cartel" of bigger established parties

Green Party * Scrap first-past-the-post electoral system and introduce proportional representation * Extend voting rights to 16 and 17-year-olds * Introduce an elected House of Lords * £10bn a year funding for councils and use panels and assemblies to boost public involvement in local government policy * Introduce job-sharing at all levels of government to make politics more accessible

Brexit Party * Replace the first-past-the-post electoral system with proportional representation * Automatic referendums to be held if more than five million people sign a petition * Replace the House of Lords with a smaller, elected second chamber * Make it easier for constituents to force by-elections to oust MPs who switch parties during their terms of office * Reform of the postal voting system

UKIP * Introduce proportional representation in all elections * Hold a referendum on the future of the House of Lords with options to abolish it or make it a fully democratic second chamber * Hold referendums on scrapping the Welsh Assembly, the Scottish Parliament and Stormont * End postal voting fraud, by allowing postal voting only in exceptional circumstances

Plaid Cymru * Support independence for Wales * Votes for 16 and 17-year-olds in all elections

Scottish National Party * Referendum on Scottish independence in 2020 * Support votes for 16 and 17-year-olds, as well as EU nationals, in UK elections to match the franchise in Scotland * Extend the right to vote in Scottish elections to citizens of all nationalities legally resident * Replace the House of Lords with an elected second chamber * Protect the Scottish Parliament from a "power grab" by Westminster

Alliance Party * Scrap first-past-the-post and introduce a single transferable vote system for Westminster elections * Votes at 16 * Elected House of Lords * Transform Stormont by ending the process of community designation and reforming the Petition of Concern system * Hold a UK-wide constitutional convention to develop a fully codified constitution

Democratic Unionist Party * Repeal the Fixed Term Parliaments Act * Cabinet to meet in Belfast once a year * Reform the House of Lords by electing two-thirds of its members * Remove the need for political parties to designate as "unionist", "nationalist" or "other" at Stormont

Sinn Fein * Extend Irish presidential voting rights to Northern Ireland and diaspora * Increase co-operation between local authorities north and south * Secure a date for a referendum on Irish unity in line with the Good Friday Agreement * Ensure the Irish Government prepares a plan for unity * Implement an Irish Language Act

SDLP * Support lowering the voting age to 16 * Aspire to Irish unification * Reform the petition of concern veto mechanism at the Northern Ireland Assembly

Ulster Unionist Party * Lower the voting age to 16 by 2021 * Examine how the Act of Union can be updated to consolidate the relationship between Westminster and the devolved administrations * Introduce rules so ministers and special advisers at Stormont who break the code of conduct are investigated and held to account

Conservative * Photo ID requirement for voting * Make it easier for UK expatriates to vote, getting rid of the 15-year limit on their voting rights * Updated and equal Parliamentary boundaries so that every vote counts the same * Maintain the ban on prisoners voting in Wales and England * Won't join the committee on electoral reform, which is considering increasing the number of AMs, the system by which they would be elected, and the voting age for Assembly and Welsh local elections

Labour * Support votes for 16-year-olds and the renaming of the Welsh Assembly as a parliament * Against the idea of changing the number and way members are elected to the Welsh Assembly, and retaining a mix of first-past-the-post and regional lists to give a more proportional outcome * Support a more federal UK to preserve the union

Liberal Democrats * Introduce a written, federal constitution that would make the National Assembly for Wales a permanent institution * Proportional representation for local and Westminster elections * Lower the voting age to 16 for all elections and referendums * Reform the House of Lords to give it a democratic mandate * Enable UK citizens living abroad to vote for MPs in separate overseas constituencies, and to participate in UK referendums

Green Party * Greater devolution of powers to local level * Proportional representation for elections at every level of government * Votes at 16 for all elections * Support the recommendations of the McAllister report on reforming the National Assembly for Wales

Brexit Party * Maintain the voting age of 18 * Oppose giving prisoners the vote * Against expanding the Welsh Assembly to have more members * Calling for a register of lobbyists to be set up by the Welsh Government * Cut the number of Welsh councils from 22 to 12 by asking most to merge, and reduce councillors by one-third to a half

Scottish Conservatives * Oppose a second referendum on independence * Decentralise more power to local level * Introduce a UK shared prosperity fund, to be used to tackle inequality and deprivation in each nation * Get rid of the fixed term parliament act and review parliamentary boundaries * Maintain the voting age at 18 for UK-wide elections and continue to support the First Past the Post voting system

Scottish Labour * Oppose a second referendum on Scottish independence during early years of Labour government * Extend voting rights to 16 and 17-year-olds, and all UK residents in general elections * Abolish the House of Lords and replace it with an entirely elected second chamber

Scottish Liberal Democrats * Oppose a second referendum on independence * Introduce proportional representation for Westminster elections * Establish an elected House of Lords * Extend the right to vote to 16 and 17-year-olds and all EU citizens who have been living in the UK for five years or more * More powers to the Scottish Parliament – as part of plans for a federal UK – and shift powers from Holyrood to local authorities

Brexit Party * Suggest shutting Holyrood

Scottish Greens * Support a second referendum on Scottish independence * Encourage further devolution of powers from Westminster to Holyrood * Introduce proportional representation for all elections * Extend votes to 16-year-olds and all those normally resident in the country * Replacing the House of Lords with an elected second chamber

People Before Profit * Extend voting rights to 16-year-olds * Support a border poll