Is the global evangelical movement a single unified force or a diverse collection of beliefs?
With an estimated 600 million believers, evangelicalism is a massive, interdenominational movement. Yet, scholars struggle to define it. From its 16th-century Reformation roots to its modern global expansion, the movement's true identity lies in a complex tension between shared theological pillars and vast denominational diversity.
Theological identity in evangelicalism is often analyzed through the 'quadrilateral' proposed by historian David Bebbington. This framework identifies four core priorities: conversionism (the necessity of being 'born again'), biblicism (high regard for biblical authority), crucicentrism (the centrality of Christ's death and resurrection), and activism (the impulse toward social action and preaching). While many share these values, the movement lacks a single unified structure, spanning traditions from Baptist and Methodist to Pentecostal and even some Anglican branches.
The movement's history is marked by significant shifts. While its roots trace back to the 16th-century Protestant Reformation, the modern movement is generally dated to around 1734, shaped by Pietism, Puritanism, and the work of figures like Nicolaus Zlanendorf. It gained significant momentum during the 18th-century Great Awakenings in the United States and Britain. Over time, the term has expanded from its Greek etymological roots, 'euangelion' (good news), to encompass a wide array of global denominations.
Today, the scope of evangelicalism is immense but contested. The World Evangelical Alliance claims 600 million believers as of 2025, representing roughly one-quarter of all Christians. In the United States, evangelicals constitute about a quarter of the population, making them the largest religious group. However, the movement's diversity leads to internal debates on social issues, such as the ordination of women—which has been accepted by various denominations at different times since 1815—and varying stances on LGBTQ+ issues and same-sex marriage.
Source: Evangelicalism