demographer
🇺🇸
/dɪˈmɑːɡrəfər/
🇬🇧
/dɪˈmɒɡrəfə(r)/
A person who studies population trends, such as births, deaths, and diseases, in a community over time.
The demographer analyzed the population data to understand the impact of migration on the city.
人口學家分析了人口數據,以理解遷移對城市的影響。