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).
The Evolving Urban Form: Beijing. by Wendell Cox 08/29/2011. China's capital, Beijing, has long been one of the world's largest urban areas. Some reports placed its population at over 1 million in 1800, which would have made Beijing the largest urban area in the world at that time.