The alliance was created with the intent to obtain more speaking rights for its constituent members in Dáil Éireann after the 2016 Irish general election.

[16] Both the PBP and the Socialist Party (SP) are all-Ireland organisations but do not form part of a single electoral alliance in elections in Northern Ireland.

The electoral alliance between the PBP and Solidarity supports socialism and eco-socialism, and promotes Irish reunification through a socialist European federation.

Combining the seats and votes of People Before Profit and Anti-Austerity Alliance would increase the chance of reaching these thresholds.

[21] Harry McGee, a columnist for The Irish Times, commented that it was difficult to tell the difference between People Before Profit and the AAA.

[22] In 2019, Solidarity TD Paul Murphy formed RISE, a new political party which immediately became the alliance's third member.

[28] Ahead of the 2016 Irish general election, there were four AAA–PBP TDs: Joe Higgins, Richard Boyd Barrett, Ruth Coppinger and Paul Murphy.