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the claim

Monogamy in humans evolved for specific evolutionary reasons

the verdict
SUPPORTED
the evidence backs this
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Extensive evolutionary and anthropological research supports the conclusion that human monogamy and pair-bonding evolved as adaptive responses to life history traits, sex ratios, and social pressures.

The analysis

The claim asserts that monogamy in humans evolved for specific evolutionary reasons. Multiple papers analyze these specific drivers—such as adult sex ratios, life history changes, mate guarding, and the mitigation of harassment or infanticide. All relevant evidence supports the claim that human pair-bonding has specific evolutionary underpinnings, with zero papers refuting this general premise.

Evidence for · 5
Book Review: A Biased, Incomplete Perspective on the Evolution of Human Mating Systems
Recorded source metadata

Jesse B. Marczyk, T. Shackelford. Book Review: A Biased, Incomplete Perspective on the Evolution of Human Mating Systems. 2010. https://doi.org/10.1177/147470491000800104

Dixson argues that human evolutionary history is characterized by monogamy and polygamy rather than multi-male/multi-female mating systems.

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More for · 4
Evolution of Human Pair Bonds as a Consequence of Male-Biased Mating Sex Ratios?
Recorded source metadata

Matthew C. Nitschke, Viney Kumar, Katrina E. Milliner, Kristen Hawkes, P. S. Kim. Evolution of Human Pair Bonds as a Consequence of Male-Biased Mating Sex Ratios?. 2024. https://doi.org/10.1007/s11538-025-01414-4

Models demonstrate that human-like life histories and adult sex ratios correlate with a shift toward mate guarding and pair bonding.

Revisiting "Grandmothers and the Evolution of Human Longevity" 2003 AJHB https://doi.org/10.1002/ajhb.10156.
Recorded source metadata

Hawkes K. Revisiting "Grandmothers and the Evolution of Human Longevity" 2003 AJHB https://doi.org/10.1002/ajhb.10156.. 2025. https://doi.org/10.1002/ajhb.70045

The grandmother hypothesis links pair bonds and mate guarding to extended longevity, mid-life menopause, and cooperative breeding.

Deacon's Dilemma: The Problem of Pair-bonding in Human Evolution
Recorded source metadata

Robin Dunbar. Deacon's Dilemma: The Problem of Pair-bonding in Human Evolution. 2010. https://doi.org/10.5871/bacad/9780197264522.003.0008

Pair-bonding evolved partly as a strategy for females to reduce risks of harassment and infanticide from other males within large communities.

Human monogamy in mammalian context.
Recorded source metadata

M. Dyble. Human monogamy in mammalian context.. 2025. https://doi.org/10.1098/rspb.2025.2163

Cross-cultural sibling distributions confirm that monogamy serves as the modal mating system for humans, aligning with socially monogamous mammals.

The paper trail · every fact has a biography
first checked01 Aug 2026
judged → SUPPORTED · 8101 Aug 2026
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