<human>:  Does Rusev have to worry about human overpopulation in his homeland?
<bot>: No, Rusev does not have to worry about human overpopulation in his homeland. Human overpopulation results from the birthrate exceeding the death rate in a country. Rusev is a professional wrestler who was born in Bulgaria. The population of Bulgaria decreased by.7% in 2018, so Rusev does not have to worry about human overpopulation in his homeland. He can focus on his wrestling career.