Nine of them will be in developing countries: Mumbai, India – 27.4 million; Lagos, Nigeria – 24.4; Shanghai, China – 23.4; Jakarta, Indonesia – 21.2; São Paulo, Brazil – 20.8; Karachi, Pakistan – 20.6; Beijing, China – 19.4; Dhaka, Bangladesh – 19; Mexico City, Mexico – 18.8. The only city in a developed country that will be in the top ten is Tokyo, Japan – 28.7 million. "In 2008, Dr. Anna Tibaijuka, executive director of UN-HABITAT, referring to the recent report "State of the Worlds Cities Report 2008/2009", said that the world economic crisis we are in should be viewed as a "housing finance crisis" in which the poorest of poor were left to fend for themselves. Refuges and alternative accommodation
There are various places where a homeless person might seek refuge:

24-hour Internet cafes are now used by over 5,000 Japanese "Net cafe refugees". An estimated 75% of Japans 3,200 all-night internet cafes cater to regular overnight guests, who in some cases have become their main source of income. 24-hour McDonalds restaurants are used by "McRefugees" in Japan, China and Hong Kong. There are about 250 McRefugees in Hong Kong. Couch surfing: temporary sleeping arrangements in dwellings of friends or family members ("couch surfing"). This can also include housing in exchange for labor or sex. Couch surfers may be harder to recognize than street homeless people and are often omitted from housing counts.
In 2009 it was estimated that one out of 50 children or 1.5 million children in the United States would experience some form of homelessness each year.In 2010 in New York City, where there were over 36,000 homeless people in 2009, there was a mobile video exhibit in the streets showing a homeless person on a screen and asking onlookers and passersby to text with their cellphones a message for him, and they also could donate money by cellphones to the organization Pathways to Housing. In September 2010, it was reported that the Housing First Initiative had significantly reduced the chronic homeless single person population in Boston, Massachusetts, although homeless families were still increasing in number. Some shelters were reducing the number of beds due to lowered numbers of homeless, and some emergency shelter facilities were closing, especially the emergency Boston Night Center. In 2011, the Department of Veterans Affairs Supportive Services for Veterans Families Initiative, SSVF, began funding private non-profit organizations and consumer cooperatives to provide supportive services to very low-income veteran families living in or transitioning to permanent housing.In 2019, in an interview with CBS News, scholar Sara Goldrick-Rab said that her study on college student homelessness found that "[n]early one in ten college students said they were homeless in the last year, meaning they had at least one night where they did not know where they were going to sleep." Puerto Rico
According to the count by the Puerto Rico Department of Family, in January 2017 there were 3,501 homeless persons in the territory.