High fertility population is commonly used to describe a group of individuals or community with a high birth rate. Other terms that can be used synonymously with high fertility population include high reproductive capacity/ability, prolific, fecund, and prolific. These terms help to convey the idea of high fertility and the potential for a population to grow rapidly. In addition, expressions like "fertile population," "high birth rate population" or "fecund group" may be used interchangeably with high fertility population. Understanding the synonyms for high fertility population can help researchers and demographers formulate appropriate policies and interventions to support sustainable population growth and development.