This article describes the annual evolution of nuptiality in Spain from the beginning of the last century up to the present day. The analysis is based on data on first marriages from population registration data (Movimiento Natural de Población) after various adjustment and estimation operations. This source has an advantage with respect to census data, since it allows us to follow the annual nuptiality fluctuations that are very sensitive to prevailing social and economic conditions. Over the long term, the phases of nuptiality in Spain are comparable to those observed in Western Europe. However, leaving aside the period disturbed by the Civil War (1936-1939), Spain does exhibit some particular features: a long interlude from 1940 to 1959 marked by late marriage, rooted in the long depression of the Spanish economy; a prolonged rise in nuptiality which lasted until the end of the 1970s, corresponding to the late arrival of the first oil shock in Spain; and finally, a certain delay in the decline of marriage, accompanied-since the early 2000s only-by a parallel diffusion of cohabitation. Last, Spain is converging with Europe in another aspect that is seldom taken into account. While, from 1950 to 1980, it was one of the few European countries to register a first marriage rate unfavourable to women, the reversal of this trend since the 1980s has brought Spain closer to the majority of its neighbours.