请你把中文翻译成为英文
报告对人口趋势进行了审查，包括对21世纪上半叶中东和北非地区人口规模、年龄结构和人口密度的估计。
The report examines projected demographic trends including estimates of population size, age structure and population density in the MENA region during the first half of the twenty-first century.