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).
Despite being the capital city of China, Beijing is not the most populous city in the country. Shanghai is a more populous city than Beijing. Based on the total land area and the total population of the city, the population density of Beijing is estimated to be about 3,300 people per square mile.