Processed 2021 Census of Population Data for Canada's Census Tracts (Parquet)

This dataset provides a processed Parquet version of Statistics Canada’s 2021 Census of Population data for the census subdivision geographic level in Canada. It is based on the 2021 Census Profile comprehensive download files published by Statistics Canada, specifically the census tracts (CT) geography. A CT is a small, relatively stable geographic area that usually has a population of fewer than 7,500 persons, based on data from the previous Census of Population Program. CTs are located in census metropolitan areas (CMAs) and in census agglomerations (CAs) that had a core population of 50,000 or more in the previous census. Once a CMA or CA has been subdivided into CTs, the CTs are maintained even if the core population later declines below 50,000. This release is part of the Data for Canada d4c-datapkg-statistical collection and is intended to support machine-readable, reproducible analysis using modern data tools and workflows.本数据集提供了加拿大统计局2021年加拿大普查分区（census subdivision）地理层级人口普查数据的经处理Parquet格式版本。本数据集基于加拿大统计局发布的2021年普查概况（Census Profile）综合下载文件，具体对应普查区（census tracts, CT）地理层级。普查区（CT）是小型且相对稳定的地理单元，根据上一次人口普查项目的数据，其常住人口通常不足7500人。普查区仅分布于普查都市区（census metropolitan areas, CMAs）以及上一次普查中核心人口达到5万及以上的普查集聚区（census agglomerations, CAs）范围内。一旦普查都市区或普查集聚区被划分为普查区，即便后续其核心人口降至5万以下，这些普查区仍会被保留。本次发布属于Data for Canada d4c-datapkg-statistical 统计数据集集合的一部分，旨在支持使用现代化数据工具与工作流开展可机器读取、可复现的分析工作。