In 2010, at the time of the WCRC's founding, it was estimated that the organization had 80 million members, with about 225 member churches. In 2017, there were an estimated 100 million members in its 233 member churches. However, considering the most up-to-date statistics of WCRC member churches, the full member denominations of the WCRC have a combined membership of about 108.3 million. Including associate and affiliate members, the combined membership of the denominations themselves amounts to about 147.4 million. The Presbyterian, Reformed, Congregational, and Waldensian denominations have a combined membership of 75.7 million. The United Churches (including the
China Christian Council) in the WCRC have a combined membership of 70.4 million. The Disciples of Christ represented by the
Disciples Ecumenical Consultative Council alone number about 1 million people.
Full members Denominational subfamily Considering only 108.3 million full members of the World Communion of Reformed Churches, 39.64% of individual members are
Presbyterians. The
Continental Reformed Churches represent 27.59% of members and the
United and uniting churches are 29.97%. Among the united churches is the
Ethiopian Evangelical Church Mekane Yesus. It is a denomination of Lutheran theology, with a synod of Reformed tradition. This is the largest denomination members of communion. Alone, it represents 13.85% of members. The others united churches account for 16.12% of the members. Among the smallest groups within the communion are
Congregationalism, which represents 2.70% of members. The Waldenses are 0.03% of the members of the communion.
Arminians and
Moravians have historically not been considered part of the Reformed Tradition. However, together they represent 0.07% of individual members of the WCRC.
Geography Among full members, the vast majority are concentrated in Africa, with churches on this continent representing 69.3 million people, or 64.05% of the membership. Churches based in Asia represent 24.8 million people, or 22.97% of the membership. The continents with the smallest Reformed and United Churches full members of the WCRC are: Europe, with 7.4 million members, or 6.89% of the membership; Northern America and the Caribbean, with 2.70 million members, account for 2.58%; Latin America, with 3 million members, accounts for 2.82%; and Oceania, with 752,000 members, or 0.69%. Although European and American churches are a minority in terms of membership, they represent the vast majority of WCRC's financial contributors. In 2023, the financial contributions received by WCRC from member churches came from the following sources: 63.29% from Europe; 30.78% from churches in the Americas (30.65% from Northern America and the Caribbean and 0.13% from Latin America); 5.42% from Asia; 0.27% from Africa; and 0.24% from Oceania. This year, only 51 of the 230 member denominations contributed financially to the WCRC. Considering denominations, the
Presbyterian Church (USA) is the largest contributor to the WCRC, representing 21.35% of contributions received in 2023. The
Protestant Church in Switzerland accounts for 12.46% of contributions, the
Church of Lippe and
Evangelical Reformed Church in Germany each contributed 10.57% of the amounts received that year. Associate members are fellowships and associations of churches, which include full members of the WCRC. However, associate members do not have the right to vote in WCRC assemblies. The change of status was confirmed at the WCRC General Assembly in 2017. Institutions established by member churches or that are in agreement with historic Reformed confessions of faith may join as affiliate members, also without voting rights. The
Baptist Community of the Faithful in Africa became an affiliate member in 2017. Considering all 147.4 million members (including associate and affiliated members), the composition of the WCRC is 47.79% of
United Churches, of which 25.78% is the
China Christian Council, 10.17% is the
Ethiopian Evangelical Church Mekane Yesus and 11.84% are other united churches. The
Presbyterians represent 29.12% of the total members, the
Continental Reformed represent 20.27%, the
Congregationalists 1.98%, the
Disciples of Christ represent 0.73% and
Waldenses represent 0.02%. The remaining groups (
Baptists,
Arminians and
Moravians) represent 0.09% of the total membership. In addition to denominations, some theological institutions are also members affiliated with WCRC, such as
Trinity Theological Seminary (Ghana), International Reformed Theological Institute and Network for African Congregational Theology.
Geography If associate and affiliate members are included, the total membership on the African continent reaches 70.1 million people, or 47.58% of all members. The
China Christian Council, an associate member, when included, brings the number of associate members in Asia to 62.8 million people, or 42.65% of all members. If associate and affiliate members are included, European denominations that are members of WCRC represent only 5.06% of the members, those from Northern America and the Caribbean represent 2.10%, those from Latin America represent 2.07%, and denominations from Oceania represent 0.54% of all members. == Former members ==