Meanings of be overpopulation in English

China's biggest problem of all is overpopulation.

The result has traditionally been overpopulation.

There is overpopulation & unemployment.

There is overpopulation, and climate change; there is peak oil; there is a truly alarming spike in the diagnosis of autism.

Zimparks officials say the biggest threat to Zimbabwe's elephants is overpopulation and that lower rainfall this year could again leave the animals facing starvation.