"Population, when unchecked, increases in a geometrical ratio"
About this Quote
The rhetorical move is tidy and devastating. “Geometrical ratio” implies a runaway curve, a force that accelerates beyond human control. It converts messy social life into a clean exponential, making scarcity feel inevitable rather than engineered. That’s the subtext: hunger and poverty aren’t primarily symptoms of bad governance, enclosure, low wages, or unequal land distribution; they are the predictable consequence of biology outpacing resources. It redirects blame downward, away from elites and institutions, toward the reproductive behavior of the poor.
Context matters. Malthus is writing in late-18th-century Britain, amid rapid population growth, urbanization, and fear of social unrest after the French Revolution. The Poor Laws were under debate, and his framework supplied a hard-edged rationale for limiting relief: assistance might “unchecked” reproduction, deepening the crisis it aims to solve. By presenting population growth as inexorable, he narrows the political imagination. Reforms become palliatives; constraint becomes realism.
The line endures because it flatters a certain kind of authority. Numbers confer inevitability. If the curve is destiny, compassion can be recast as naivete, and austerity as the only adult option.
Quote Details
| Topic | Science |
|---|---|
| Source | Thomas Malthus, An Essay on the Principle of Population (1798), ch. 1 — contains the line: "Population, when unchecked, increases in a geometrical ratio." |
| Cite |
Citation Formats
APA Style (7th ed.)
Malthus, Thomas. (2026, January 15). Population, when unchecked, increases in a geometrical ratio. FixQuotes. https://fixquotes.com/quotes/population-when-unchecked-increases-in-a-3024/
Chicago Style
Malthus, Thomas. "Population, when unchecked, increases in a geometrical ratio." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/population-when-unchecked-increases-in-a-3024/.
MLA Style (9th ed.)
"Population, when unchecked, increases in a geometrical ratio." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/population-when-unchecked-increases-in-a-3024/. Accessed 12 Feb. 2026.




