Final answer:
The statement is false. Humans are not the most populous Hominidae species.
Step-by-step explanation:
The statement given in the question is false. Humans do not make up the most populous Hominidae species. The most populous Hominidae species is the human population, which is estimated to be around 7 billion. The Western (lowland) gorillas are the second most populous Hominidae species at 200,000, followed by the common chimpanzee at 100,000, and the Bornean orangutan at 61,234.