Research in economic history has challenged a strict Malthusian depiction of prein-dustrial European economies, highlighting ‘efflorescences’, ‘Smithian’ and ‘growth recurring’ episodes. Do these defining concepts apply to preindustrial Spain? In this paper, we carry out new yearly estimates of output and population for over half-a millennium. We find that our estimates of agricultural output on the basis of tithes largely confirm those obtained using a demand function approach supporting its use in the absence of direct information. We show that, although levels of output per head in the early nineteenth century were not much different from those in the eve of the Black Death, preindustrial Spain was far from stagnant. Phases of s...