By 2050, the US population aged 65 and older is projected to double to 89 million. The demand for many specialty services is expected to outstrip that for primary care.Tim Dall
By 2050, Nigeria’s population will reach more than 440 million, and it will be nearly 914 million by 2100.The population of developing countries will increase from 5.9 billion in 2013 to 8.2 billion in 2050. However, the population of developed countries will remain gen...
In terms of population size, the sex ratio in the United States favors females, although the gender gap is remaining stable. In 2010, there were around 5.17 million more women, with the difference projected to decrease to around 3 million by 2027. Gender ratios by U.S. state In the Uni...
R Cohen,S Lynch,H Bygrave,... - 《Journal of the International Aids Society》 被引量: 240发表: 2009年 Development of Physical Disability in Older Adults Demographers expect the number of older persons to double to 86.7 million or to 20.6% of the US population by the year 2050. As has...
LONDON (Reuters) - Rapid population growth, lack of access to food and water and increased exposure to natural disasters mean more than 1 billion people face being displaced by 2050, according to a new analysis of global ecological threats. Compiled by the Institute for Economics and P...
More than half the world's population are city dwellers, and, by 2050, the United Nations predicts that seven in ten people will be. With that in mind, architects are having to consider how architecture influences our emotional wellbeing in urban settings. 世界上一半以上的人口是城市居民,联合...
Getting transportation planning right, however, is tricky. According to the UN’s Department of Economic and Social Affairs,68 percent of the world's population will live in urban areas by 2050, up from 55 percent in 2018, adding another 2.5 billion people to cities. ...
As the world's population grows, there's less space for us to build houses. So, it's believed that one day we could live underwater by the year 2050. Underwater cities could come out. The water underwet buildings will be made of special material. It is possible for us to make the...
Lang added that the world's population is expected to grow to 10 billion people by 2050. If wewant to feed everyone, he explained, we all need to change what we eat and the way we eat by"improving food production and reducing food waste."So, what do you eat on the planetary health...
By 2007, there were more than twice as many people living on the planet as there were in 1961. Over the same period, the total amount of 3) arable (可耕的) land grew by just 10 percent. In comparison with population growth, the expansion of arable land was small. And there are limi...