Question

Какова структура населения на земле ?​

Answer 1

Структура населения выражает соотношение (долю) различных групп людей во всем населении. В зависимости от выбранного признака различают следующие основные структуры населения:
возрастной состав
половой состав
расовый состав
этнический (национальный) состав
религиозный состав
социальный состав
образовательный состав и др

Answer 2

Structure of the World's Population

The structure of the world's population is diverse and can be analyzed in various ways. Here are some key points about the structure of the global population:

1. Total Population: The current estimated global population is around 7.9 billion people.

2. Geographic Distribution: The world's population is spread across different regions and countries. Some regions have higher population densities than others. For example, Asia is the most populous continent, accounting for approximately 60% of the world's population.

3. Age Distribution: The age distribution of the global population varies. Different age groups have different proportions within the population. The age structure can be divided into categories such as children (0-14 years), working-age population (15-64 years), and older population (65 years and above).

4. Population Growth: The global population has been steadily increasing over time. Factors such as birth rates, death rates, and migration contribute to population growth or decline. It is projected that the global population will continue to grow, although at a slower rate, reaching around 9.7 billion by 2050.

5. Urbanization: Urban areas are experiencing significant population growth due to factors such as rural-to-urban migration and natural population increase. The proportion of the global population living in urban areas is increasing. As of now, more than half of the world's population resides in urban areas.

6. Population Density: Population density refers to the number of people per unit of land area. It varies greatly across different regions and countries. Some areas, such as cities, have high population densities, while others, such as remote rural areas, have low population densities.

7. Ethnic and Cultural Diversity: The world's population is incredibly diverse in terms of ethnicity, culture, language, and religion. Different regions and countries have their own unique demographic characteristics and cultural identities.

It is important to note that the structure of the world's population is constantly changing due to various factors such as birth rates, mortality rates, migration patterns, and socio-economic developments.