Classified in Geography

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Biological structure: age and sex

| the age is organized in three groups

| sex males or females

- there are more males than females in young population

- same in adult population

- more females in elderly population

economic structure:

the population level of activity:

the active population working population

the inactive population children under 16

the economic sectors:

the primary sector: involves products directly from nature

the secondary: transformarion of natural products

the tertiary: service to people

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