demographic
这个广告主要针对18-25岁的年轻人群。
This advertisement targets the 18-25 year old ___demographic.
这个城市的人口统计数据表明年轻人比例正在上升。
The ___demographic data shows an increasing proportion of young people in this city.
这份报告分析了城市居民的年龄和收入等人口统计数据。
The report studies ___demographic statistics like age and income of urban residents.