How many teenagers are there in China and how many teenagers are there in China?

There is no definite number.

But it's about 300 million.

If the age of 14 to 30 is taken as the criterion for teenagers, then according to the Fifth National Population Census, in 2000 there were 100 million children aged 14 to 30 in China, accounting for the total population. This is a percentage point decrease compared to the 1990 census. According to the United Nations, in 2000 the proportion of children aged 14 to 30 was 18 per cent in developed countries, 33 per cent in less developed countries and 43 per cent in least developed countries.

There are a lot of teenagers in China.

Three national smoking epidemiological surveys conducted in 1984, 1996 and 2002 showed that the prevalence of smoking among Chinese adolescents is on the rise, with the number of Chinese adolescents smoking as high as 50 million (2006).

China is a major producer and consumer of tobacco, accounting for more than one-third of the world's production and consumption. Currently, there are about 3.5 billion smokers in China. In 2002, the prevalence of smoking among men and 3,08 among women in China was 66.

Compared to 1996, the number of smokers has increased by 30 million as China's total population has increased, despite a slight decrease in smoking rates.

In 2022, there will be about 156.99 million teenagers in China.

Its main age composition is as follows:

the population aged 0-14 was 253.38 million, accounting for;

the population aged 15-59 was 894.38 million, accounting for;

The population aged 60 and over was 264.02 million, accounting for.

Among them, the population aged 65 and above is 190.64 million, accounting for.

Compared with 2010, the proportion of people aged 0-14, 15-59, and 60 and above increased by one percentage point, decreased by one percentage point, and increased by one percentage point respectively.

The proportion of China's young population has rebounded, and the adjustment of the birth policy has achieved positive results. At the same time, the aging of the population has further deepened, and it will continue to face the pressure of long-term balanced population development in the coming period.

Juvenile.

According to the statistics of China's fifth population census, there are more than 100 million children between the ages of 0 and 14 in the country, and 400 million children under the age of 18. There is no detailed announcement for those under 17 years old, so we can only estimate it.

Number of people aged 18 to 59 in China:

There are about 100 million men between the ages of 18 and 59 in China, according to the seventh national census.

The proportion of gender and age is calculated.

National Bureau of Statistics, 11 May 2021.

According to the release of the main data of the seventh national population census, the national population is 141178 million: in terms of gender composition, the data show that the male population is 723.34 million, accounting for 688.44 million; From the perspective of age composition, the population aged 15-59 is 894.38 million, accounting for.

The proportion of the male population is calculated from the number of people aged 15-59 to 894.38 million, and the population is about 458.28 million. Considering that there will be some changes in the number of people between the ages of 15 and 18, the number of people who get this age is about 100 million.

Proportion of population by different types:

1. From the perspective of household population: there are 494.16 million households in the country, and the household population is 129281 million; Collective households.

28.53 million households, with a collective population of 118.97 million.

2. Regional distribution of population: eastern region.

Population accounted for, central region.

occupy, the western region, the northeast region.

Occupy. 3. From the perspective of age composition: the population aged 0-14 is 253.38 million, accounting for 253.38 million; the population aged 15-59 was 894.38 million, accounting for; The population aged 60 and over was 264.02 million, accounting for 190.64 million, and the population aged 65 and over was 190.64 million.

4. Population with educational level: The population with university education is 218.36 million.

5. Urban and rural population: the population living in cities and towns is 901.99 million, accounting for; The population living in rural areas is 509.79 million, accounting for.

6. Floating population.

Aspect: The population of separated households is 492.76 million, of which the municipal districts.

The number of people separated from households was 116.94 million, and the floating population was 375.82 million, of which 124.84 million were inter-provincial floating population.

According to the Sixth National Population Census.

It shows that the number of young people (young people aged 14-29) in China is 100 million.

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Youth generally refers to people between the ages of 15 and 45.

According to the physiological physical development:

0 (newborn) - 6 years old for infants; Children aged 7-12; 13-17 years old for teenagers; 18-45 years old for young people; 46-69 years old is middle-aged; 69 years old for old age.

According to Developmental Psychology:

Infant 0-1 years, infancy 1-2 years, toddler 2-3 years; Preschool age years; The early years of the academic reputation are several years old; Juvenile years; Adolescence — 30 years old; Middle age: 30-50 years old; After the age of 50.

Internationally, the population is usually divided into unequal groups according to 0 14 years old, 15 64 years old, and over 65 years old, which are called the juvenile population, the prime population, and the elderly population. The juvenile population coefficient, the prime-age population coefficient and the elderly population coefficient are calculated based on the total population, and the dependency coefficient is also calculated on the basis of the number of prime-aged people celebrating the first birthday.

Ancient divisions

In ancient times, according to the physiological characteristics of men's growth process, life was roughly divided into nine stages based on ten years. They are "young", "weak", "strong", "strong", "ai", "elderly", "old", "old", and "period", which is quite interesting.

Started in the Warring States Period, written in the Qin and Han dynasties' "Book of Rites: Rites First" recorded: "Ten years of life is young, learning." Twenty is weak, crown.

Thirty years strong, there is a room. Forty is strong, and Shi. Fifty said Ai, serving the government.

Sixty years old, commanded. Seventy years old, and passed on. Eight.

Ten, ninety years old ......A hundred years of period, Yi. ”

Teenagers generally refer to around 13 to 18 years old.

In a person's life, different ages belong to different stages, in general, adolescent refers to an age stage from the beginning of puberty to adulthood, usually refers to about 13 or 18 years old. The time when different children enter puberty will be different, so there will be certain fluctuations in the age of youth and youth.

Adolescence is a stage of children's physical and mental development is particularly rapid, and it is the second peak period of physical growth and development, but there may be a variety of problems, which need to be paid attention to by parents and teachers to pay attention to the healthy development of children's physical and mental health.

Appropriate food for teenagers

1. Selection of staple foods and legumes: It is advisable to choose cereals that are coarsely processed, retain most of the B vitamins or fortified B vitamins, and appropriately choose miscellaneous grains and beans.

2. The choice of meat and eggs: fish, poultry, meat, eggs, milk and dairy products.

3. Selection of vegetables: all kinds of vegetables, especially green leafy vegetables, should be used as much as possible.

4. Fruit selection: all kinds of Yuchangna fresh fruits.

5. Miscellaneous. Tea: Tea is the national drink, and drinking tea is good for health. After getting into the habit of drinking tea from teenagers, they don't drink coke and don't drink sugary drinks.

Nuts of all kinds.