Permanent staff by age group and category – historical series

The dataset presents the historical series from 2021 on the breakdown of the Municipality’s permanent staff by category (A, B1, B3, C, D1, D3) and by age group. The following age groups are proposed: * 20-24 years * 25-29 years * 30-34 years * 35-39 years * 40-44 years * 45-49 years * 50-54 years * 55-59 years * 60-64 years * 65 and beyond This dataset was released by the Municipality of Milan through two different csv files, one in table format and one in pivot format.本数据集呈现了2021年起米兰市政当局永久雇员按类别（A、B1、B3、C、D1、D3）与年龄段划分的历史统计序列数据。本次划分采用的年龄段如下： * 20-24岁 * 25-29岁 * 30-34岁 * 35-39岁 * 40-44岁 * 45-49岁 * 50-54岁 * 55-59岁 * 60-64岁 * 65岁及以上 本数据集由米兰市政府通过两份不同的逗号分隔值（Comma-Separated Values，CSV）文件发布，分别采用表格格式与数据透视表格式。