Question

age structure determines the need of investment of money by government give reason for this​

Answer 1

Answer:

Today, the world has the largest generation of young people in

history, with 3.6 billion people under the age of 30 worldwide. A

population’s age structure (the relative size of each age group)

deeply affects development opportunities and plays a major

role in security and governance challenges.

In 2007, Population Action International (PAI) published The

Shape of Things to Come: Why Age Structure Matters to a

Safer, More Equitable World.1

Here, PAI updates and extends

the analysis. Three case studies on Haiti, Yemen and Uganda

examine the challenges specific to countries with very young

age structures and recommend policy solutions.

Population Age Structure

All countries’ populations can be classified into one of four

major age structure types based on their progression through

the demographic transition, which is the decades-long shift that

many countries have followed from high mortality and fertility

rates to longer life expectancies and later, to smaller family size.

The four age structure types relate the share of a population

that comprises children and young adults under the age of 30

to the share of older adults above age 60. Countries with a very

young age structure are those in which two-thirds or more of

the population are younger than age 30. Those with a youthful

age structure have begun the demographic transition but still

have more than 60 percent of their population younger than age

30. A transitional age structure occurs when between 45 and

60 percent of the population comprises young people under

age 30. Countries with a mature age structure have fertility

rates at the replacement level of 2.1 children or less per woman;

less than 45 percent of the country’s population is under age

30, while up to one-quarter of the population comprises older

adults above age 60.

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