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.
Though the UN has predicted a decline in the city's population, it will still remain the world's most populous city in 2030 with 37 million inhabitants. 2. Delhi, India: With 25 million, the Indian capital is the second-most populated city in the world. The UN has projected that the population can swiftly rise to 36 million in 2030. 3. Mexico City, Mumbai and SÃ£o Paulo: Each of these cities is ranked third on the population index with around 21 million urban inhabitants. 4. Osaka, Japan: This Japanese city has population just above 20 million and is ranked fourth. 5.