In which condition, negative growth of population happens?

When birth and death rate are equal and in-migration is high When birth rate falls below death rate or people migrate to other countries When birth and death rates are constant and in-migration high When death rate falls below birth rate

When birth rate falls below death rate or people migrate to other countries

Negative Growth of Population: If the population decreases between two points of time it is known as negative growth of population. It occurs when the birth rate falls below the death rate or people migrate to other countries.