Population grows geometrically; food supply grows arithmetically. This simple, startling claim, first advanced by Thomas Malthus in 1798, has echoed through economics, politics, and environmental science ever since. This modern-English edition of *An Essay on the Principle of Population* strips away the cumbersome eighteenth-century prose while preserving every essential argument, allowing today's reader to engage directly with Malthus's original reasoning. From the inevitability of population pressure to the nature of preventive and positive checks, and from the critique of utopian schemes to the sober case for moral restraint, the book remains a sharp, unsettling lens through which to examine questions of scarcity, inequality, and human survival. Whether you are a student of economic history, a curious reader, or someone seeking the roots of modern environmental thought, this edition offers a faithful and accessible gateway to a classic that still provokes and challenges. Part of The Modern Wisdom Library.