Humans and chimpanzees share approximately 99 percent of their DNA sequence

the verdict

SUPPORTED

the evidence backs this

Recorded sources

4 sources for · 0 against

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

Scientific studies and genome sequencing confirm that humans and chimpanzees share approximately 98.8% to 99% of their DNA sequence, supporting the claim.

The analysis

Judged against statistical and reference sources.

Evidence for · 4

preview-www.nature.com: Initial sequence of the chimpanzee genome and comparison with the human genome | Nature

Recorded source metadata

preview-www.nature.com: Initial sequence of the chimpanzee genome and comparison with the human genome | Nature. preview-www.nature.com. https://preview-www.nature.com/articles/nature04072

Examines the human and chimpanzee genomes, establishing close genetic proximity.

Source citation format

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More for · 3

pmc.ncbi.nlm.nih.gov: Genomewide Comparison of DNA Sequences between Humans and Chimpanzees - PMC

Recorded source metadata

pmc.ncbi.nlm.nih.gov: Genomewide Comparison of DNA Sequences between Humans and Chimpanzees - PMC. pmc.ncbi.nlm.nih.gov. https://pmc.ncbi.nlm.nih.gov/articles/PMC379137/

Finds an average sequence difference of 1.24% between humans and chimpanzees, meaning ~98.8% similarity.

Source citation format

humanorigins.si.edu: Genetics | The Smithsonian Institution's Human Origins Program

Recorded source metadata

humanorigins.si.edu: Genetics | The Smithsonian Institution's Human Origins Program. humanorigins.si.edu. https://humanorigins.si.edu/evidence/genetics

States that the genetic difference between humans and chimpanzees is about 1.2%, corresponding to ~98.8% similarity.

Source citation format

pubmed.ncbi.nlm.nih.gov: Implications of natural selection in shaping 99.4% nonsynonymous DNA identity between humans and chimpanzees: enlarging genus Homo - PubMed

Recorded source metadata

pubmed.ncbi.nlm.nih.gov: Implications of natural selection in shaping 99.4% nonsynonymous DNA identity between humans and chimpanzees: enlarging genus Homo - PubMed. pubmed.ncbi.nlm.nih.gov. https://pubmed.ncbi.nlm.nih.gov/12766228/

Reports 99.4% and 98.4% identity in specific DNA comparisons between humans and chimpanzees.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 7501 Aug 2026

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