Breaking down the question
A note asks for a compact yet analytically organized treatment. The core concept is secularization — the classical thesis that modernity erodes the social significance of religion. The word global is the crux: you must move beyond a single Western trajectory and survey divergent patterns across regions, showing that secularization is neither uniform nor irreversible.
The question therefore tests whether you can present the classical thesis and its serious contemporary revisions in a balanced way.
How to approach it
State the secularization thesis and unpack its three analytically distinct dimensions — differentiation, decline of belief, and privatization. Then map the empirical variation: sharp decline in Western Europe, persistent religiosity in the United States, and resurgence across the global South and the Islamic world. Introduce Berger's celebrated recantation and Casanova's idea of deprivatization to complicate the linear story.
Conclude that the picture is one of differentiation rather than simple disappearance.
Model answer
Secularization refers to the process by which religion loses its authority over public institutions, collective belief and individual consciousness. Classical theorists such as Bryan Wilson defined it as the declining social significance of religion, treating it as an inevitable companion of modernization, urbanization and scientific rationality.
Analytically the thesis has three strands. First, differentiation — the separation of religion from the state, law, education and economy. Second, the decline of individual belief and practice. Third, privatization — the confinement of religion to the personal sphere. These strands must be assessed separately, since they do not always move together.
Global trends reveal striking divergence. Western Europe displays advanced secularization, with empty churches and falling belief. The United States, though thoroughly modern, remains highly religious, challenging any tight link between modernity and decline. Across the global South — sub-Saharan Africa, Latin America and much of Asia — religion is vibrant and even expanding, while political Islam demonstrates a powerful public religiosity. India shows deep religious persistence alongside constitutional secularism.
These patterns forced major revisions. Peter Berger, once a leading proponent, publicly abandoned the thesis, arguing that the world is as furiously religious as ever, a condition of desecularization. José Casanova documented the deprivatization of religion — its re-entry into public and political life in the late twentieth century.
The balanced conclusion is that differentiation is a robust and near-universal trend, but the predicted death of belief is not. Religion has been transformed, pluralized and repositioned rather than dissolved.
For a fuller treatment, see Religion in Modern Society.
Examiner's perspective
Examiners look for candidates who distinguish the multiple dimensions of secularization rather than treating it as a single slope of decline. Marks accrue to answers that use global variation — European decline, American exceptionalism, Southern resurgence — as evidence. Referencing Berger's reversal and Casanova's deprivatization thesis shows awareness of the contemporary debate and lifts the note above a textbook recital.