At the back of the sink or toilet, the ceiling height can be as low as 60 inches. Vanity and sink heights have no requirements for height; the recommendation is that they fit the height of the user, ranging from 32 to 43 inches.
Although Tokyoâs population is projected to decline, it will remain the worldâs largest city in 2030 with 37 million inhabitants, followed closely by Delhi, whose population is projected to rise swiftly to 36 million in 2030.
The largest city in the world by population is Tokyo, Japan, with a population of 37,832,892. Tokyo is followed by Shanghai, China (population 34,865,252) and Jakarta, Indonesia (population 31,689,592). The following is a list of the world's 150 largest metropolitan areas, which generally includes an urban area and its surrounding suburbs. Rank City / Urban Area