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 cities in the world by land area, population and density 6 January 2007: With the merger of core cities, suburbs and satellite towns into large metropolitan areas, the very largest cities in the world have in fact become megacities, i.e. cities with more than 10 million people.