In developed countries, at 40 years of age individuals typically become grandparents.
<h3>What are developed countries?</h3>
A sovereign state that is considered to have a developed economy, a high standard of living, and advanced technological infrastructure is referred to as a developed country.
A developed country, often known as an industrialized country, has a sophisticated economy that is typically gauged by average income per person and/or gross domestic product (GDP). Developed nations have diverse industrial and service sectors as well as cutting-edge technology infrastructure.
The term "developed countries" often refers to wealthy nations, excluding Middle Eastern nations and certain other minor nations. Limitations:
(i) It only addresses the economic element while ignoring issues like peace, health, the environment, lifespan, education, etc.
(ii) The method does not show us how the income is distributed.
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