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.
As of this month, the worldâs population is now 7.2 billion, according to the United Nations, which celebrates World Population Day today. According to U.N. data, half of the people around the globe (3.6 billion) live in just a half-dozen countries. China has the worldâs largest population (1.4 billion), followed by India (1.3 billion). The next most-populous nations â the United States, Indonesia, Brazil and Pakistan â combined have less than 1 billion people. The demographic future for the U.S. and the world looks very different than the recent past.