Confessional Lutheranism

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Confessional Lutheranism is the name used for Lutherans who hold to the Book of Concord (1580) in full as the church’s official confession of faith. They believe that true Lutheran faith means not only believing the content of these confessional writings but also making sure what is preached, taught, and lived out matches them.

Confessional Lutherans are typically found in more conservative church bodies and organizations such as the International Lutheran Council, the Confessional Evangelical Lutheran Conference, and the Global Confessional and Missional Lutheran Forum, along with other independent groups.

They subscribe to the Book of Concord “quia” — because it agrees with the Bible. By contrast, churches in the Lutheran World Federation often subscribe to the Book of Concord as an explanation of faith “quatenus” — insofar as it agrees with the Bible.

Two main 19th‑century movements helped shape confessional Lutheranism: the Old Lutherans and the Neo‑Lutherans. The Old Lutherans formed from earlier church splits, while the Neo‑Lutherans arose in Germany as a reaction to Pietism and Rationalism. Over time some Neo‑Lutherans and others adopted the label “confessional.”

The movement spread to the United States and to Scandinavia through missionaries and immigrant communities. German settlers and other Lutherans established confessional groups in the Midwest, Missouri, Indiana, and the Buffalo area, as well as in parts of Scandinavia, where churches separated from national churches over issues related to secularization.

Today, many confessional Lutherans are part of the following bodies or networks:
- International Lutheran Council: Lutheran Church–Missouri Synod; Lutheran Church–Canada; Independent Evangelical-Lutheran Church of Germany; Lutheran Church of Australia; Evangelical Lutheran Church of Brazil.
- Confessional Evangelical Lutheran Conference: Wisconsin Evangelical Lutheran Synod; Evangelical Lutheran Synod.
- Other confessional groups include the Church of the Lutheran Confession, the American Association of Lutheran Churches, the Concordia Lutheran Conference, the Evangelical Lutheran Diocese of North America, and several independent conferences and associations in North America.
- In Scandinavia and the Nordic region, some dioceses and churches associated with the ILC include the Evangelical Lutheran Mission Diocese of Finland, the Mission Province of the Church of Sweden, and the Evangelical Lutheran Diocese of Norway; these groups arose from splits with state churches and sometimes trace apostolic succession to other Lutheran bodies.

A number of bodies describe themselves as confessional and align with the Book of Concord, often emphasizing a strong reverence for the Augsburg Confession and Luther’s Small Catechism, along with other parts of the Book of Concord. Some member congregations within larger churches may identify as confessional, but the overall denomination may not.

Confessional Lutherans generally hold a quia subscription to the Book of Concord (the Confessions are true because they align with Scripture). Some groups teach a quatenus subscription (the Confessions are true only insofar as they align with Scripture), but the quia position is the typical marker of confessional Lutheran identity.