Selected results of the 1980 Japanese census are presented. Data are included on population by single years of age and sex 1975 and 1980; population over age 15 by marital status five-year age group and sex; total population density and households for prefectures and 11 major cities; population...
Population by Age (Five-Year Groups) and Sex, and Sex Ratio-Japan : 1920 to 2000 喜欢 0 阅读量: 48 作者: NS Bureau 被引量: 3 年份: 2006 收藏 引用 批量引用 报错 分享 求助全文 通过文献互助平台发起求助,成功后即可免费获取论文全文。 请先登入相似文献 引证文献...
The median age of the population in Japan has steadily been increasing since 1950 and is projected to be around 47.7 years old in 2020. As of 2021, the median age of Japan is the second highest in the world, behind the Principality of Monaco. The elderly in Japan An improved quality ...
Japan - Population, Migration, Aging: Japan’s population distribution is highly variable. The mountainous character of the country has caused the population to concentrate within the limited plains and lowlands—notably along the Pacific littoral. The i
Japan's ageing population, animated with R The US Census makes anumber of its databasesavailable to developers via theCensus API. One of those databases is theInternational Data Base, in which the Census department provides historic demographic breakdowns (population by age and sex) for many count...
The US Census makes a number of its databases available to developers via the Census API. One of those databases is the International Data Base, in which the Census department provides historic demographic breakdowns (population by age and sex) for many
Japan's total fertility rate is 1.4, which is below the replacement rate necessary for a stable population of 2.1. As Japan's age-sex pyramid shows, the country has a huge number of elderly and middle-aged adults. About 40 percent of Japan's population is expected to be over 65 by 206...
Age estimation of the wild population of Japanese mantis shrimp Oratos-quilla oratoria in Tokyo Bay. Japan, Using Lipofuscin as an Age marker[J].{H}FISHERIES SCIENCE,2005.141-150.Kodama Keita,Yamakawa Takashi,Shimizu Takamichi,Aoki Ichiro. Age estimation of the wild population of Japanese mantis ...
Continuous observations were made on the process of troop formation of Japanese monkeys in Koshima, Kushima city, Miyazaki, Japan. The troop was formed by ... Hiroko,KUDO - 《Journal of Anthropological Society of Nippon》 被引量: 13发表: 1984年 THE BREEDING CYCLE OF THE SHORT‐TAILED SHEARWA...
During the next fifty years, the absolute number of elderly in Japan will increase while the absolute number of children and persons in the working age groups will decline. The main cause of this demographic trend is low fertility, which can in turn be traced mostly to delayed and foregone ...