The PAP was established in March 2004, by the Article 17 of The Constitutive Act of the African Union. PAP is one the nine organs provided for in the Treaty Establishing the African Economic Community signed in Abuja, Nigeria in 1991.

The establishment of PAP is informed by a vision to provide a common platform for African people and their grass-root organisations to be more involved in discussions and decision-making on the problems and challenges facing the continent. PAP Parliamentarians represents all the people of Africa. The ultimate aim of PAP is to evolve into an institution with full legislative powers, with members elected by universal adult suffrage.

The IPU was established in 1889. The Parliament of the Republic of Namibia joined the IPU at independence in 1990. The Union is the focal point for world-wide parliamentary dialogue and works for peace and co-operation among people for the establishment of firm representative democracy.
The IPU supports and shares the efforts and objectives of the United Nations and works in close co-operation with the organisation. The IPU also co-operates with regional inter-parliamentary organisations, international intergovernmental and no-govermental organisations

The CPA consists of national, provincial, state and territorial parliaments and legislatures of the Commonwealth-member countries. Members of the CPA, irrespective of gender, race, religion or culture, shares the Association’s mission to promote knowledge and understanding of parliamentary democracy and respect for the rule of law, individual rights and freedoms

The ACP-EU Joint Parliamentary Assembly was set up under the Yaounde Convention, an association agreement. The agreement is now called the Cotonou Agreement. It links the European Union to 78 African, Caribbean and Pacific states.
It was set up to improve standards of living and economic development in the ACP countries and to establish close cooperation between these countries and the European Union. The representatives of the 78 ACP countries meet their 78 counterparts among the MEPs in a week-long plenary session twice a year.
SADC-PF was established in accordance with the SADC Treaty as an autonomous institution of SADC. It is a regional inter-parliamentary body composed of parliaments of the SADC region. Members of SADC_PF are Angola, Botswana, Congo, Democratic Republic of the Congo (DRC), Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, South Africa, Seychells, Swaziland, Tanzania, Zambia, and Zimbambwe.
The objectives of the SADC-PF are: promotion of multiparty democracy,good governance,gender equality, political stability,respect for the rule of law, human rights and fundamental freedoms in the region.