However, there are more specific terms that describe this phenomenon:

* Exponential Growth: This is the most common description of rapid population growth. It occurs when a population increases at a rate proportional to its current size. This results in a steeper and steeper upward curve on a graph over time.

* Population Boom: This term usually refers to a sudden and dramatic increase in population, often triggered by factors like improved healthcare, increased food production, or a sudden influx of immigrants.

* Demographic Transition: This describes a long-term shift in population growth patterns. In the early stages of the demographic transition, a population experiences high birth rates and death rates, resulting in slow growth. As societies develop, birth and death rates decline, leading to a period of rapid population growth. Eventually, both rates stabilize, resulting in slower or even negative population growth.

It's important to remember that "faster" is relative. There is no single, universally accepted definition of how much faster population growth needs to be to qualify as rapid.