Page 12 - English Edition, the Book with Ch. 38 Added..docx
P. 12
not changed. Marriage rate (28%)
Internal immigration, people move from one place to another,
some places become more densely populated, some places
become disappeared, no one
The population pyramid is inaccurate and the age distribution
units are different. Adjustable age gap unit
Some 5 years of age difference is one unit, and some are not 5
years.
The number of people born in the past is more than the
population born today.
