Cohorts in Marketing. Similar to demographics, cohorts use quantifiable descriptors to identify target markets. Demographics, however, are the quantifiable descriptors themselves, such as the aforementioned age and household income.
The highest peaks are over 2,000 m (6,600 ft). Beijing Municipality consists of six city districts (previously eight, see Xuanwu and Chongwen), eight suburban districts and two rural counties. It covers a total area of 16,807.8 km2 (6,489.5 sq mi).
Beijing's 2017 population is now estimated at 22,063,000. In 1950, the population of Beijing was 1,671,000. Beijing has grown by 1,679,000 in the last year, which represents a 8.20% change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects.