Evangelical Church of the Augsburg Confession in Slovakia – 0.2 million Evangelical-Lutheran Church in Hungary – 0.2 million Estonian Evangelical Lutheran Church – 0.2 million Laestadianism – 0.2 million Reformed churches (Calvinism) – 60–80 million The Reformed tradition is represented by 60-80 million people who hold membership in the following churches; the World Communion of Reformed Churches is the fourth-largest communion. Presbyterianism – 40 million Presbyterian Church of East Africa – 4.0 million Presbyterian Church of Nigeria – 3.8 million Presbyterian Church of Africa – 3.4 million National Presbyterian Church in Mexico – 2.8 million Church of Christ in Congo–Presbyterian Community of Congo – 2.5 million Presbyterian Church of Korea (TongHap) – 2.4 million Presbyterian Church in Korea (HapDong) – 2.4 million Presbyterian Church in Cameroon – 2.0 million Presbyterian Church of Cameroon – 1.8 million Church of Central Africa Presbyterian – 1.8 million Presbyterian Church in Korea (BaekSeok) – 1.5 million Presbyterian Church of India – 1.3 million Presbyterian Church (USA) – 1.2 million Presbyterian Church in Sudan – 1.0 million Presbyterian Church of Ghana - 1.0 million Presbyterian Church of Brazil – 0.7 million Evangelical Presbyterian Church, Ghana – 0.6 million United Church of Christ in the Philippines – 0.5 million Uniting Presbyterian Church in Southern Africa – 0.5 million United Church of Canada – 0.4 million Presbyterian Church in America – 0.4 million Presbyterian Church of Pakistan – 0.4 million Presbyterian Church in Korea (Koshin) – 0.4 million Church of Scotland – 0.3 million or 1.5 million Korean Presbyterian Church – 0.3 million Presbyterian Church in Rwanda – 0.3 million Uniting Church in Australia – 0.2 million Presbyterian Church in Taiwan – 0.2 million Presbyterian Church in Ireland – 0.2 million Continental Reformed churches – 30 million Church of Jesus Christ in Madagascar – 3.5 million Protestant Church in Indonesia – 3.1 million United Church in Zambia – 3.0 million Evangelical Church of Cameroon – 2.5 million Swiss Reformed Church – 2.4 million Christian Evangelical Church in Timor – 2.0 million Protestant Church in the Netherlands – 1.6 million Dutch Reformed Church in South Africa (NGK) – 1.1 million Christian Evangelical Church in Minahasa – 0.7 million United Church in Papua New Guinea and the Solomon Islands – 0.6 million Protestant Church in Western Indonesia – 0.6 million Evangelical Christian Church in Tanah Papua – 0.6 million Protestant Church of Maluku – 0.6 million Reformed Church in