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1. Population /ˌpɒp.jʊˈleɪ.ʃən/ (n.)
Explanation: The total number of people living in a particular area or the world.
Example: The world’s population has surpassed 8 billion.
2. Demography /dɪˈmɒɡ.rə.fi/ (n.)
Explanation: The scientific study of population characteristics, such as size, growth, and distribution.
Example: Demography helps governments plan for housing and healthcare.
3. Birth rate /ˈbɜːθ ˌreɪt/ (n.)
Explanation: The number of live births per 1,000 people in a given year.
Example: Some countries are facing a decline in their birth rate.
4. Death rate /ˈdeθ ˌreɪt/ (n.)
Explanation: The number of deaths per 1,000 people in a given year.
Example: Improvements in healthcare have lowered the global death rate.
5. Overpopulation /ˌəʊ.vəˌpɒp.jʊˈleɪ.ʃən/ (n.)
Explanation: A situation where the number of people exceeds the resources or space available.
Example: Overpopulation can lead to food shortages and environmental stress.
6. Urbanization /ˌɜː.bən.aɪˈzeɪ.ʃən/ (n.)
Explanation: The process of increasing population in cities and towns.
Example: Rapid urbanization often puts pressure on housing and transport systems.
7. Migration /maɪˈɡreɪ.ʃən/ (n.)
Explanation: The movement of people from one place to another, often for work or better living conditions.
Example: Migration affects the population size of both origin and destination areas.
8. Fertility rate /fəˈtɪl.ə.ti ˌreɪt/ (n.)
Explanation: The average number of children a woman is expected to have in her lifetime.
Example: A declining fertility rate can lead to an aging population.
9. Census /ˈsen.səs/ (n.)
Explanation: An official count or survey of a population.
Example: The government conducts a census every ten years.
10. Resources /rɪˈzɔː.sɪz/ (n.)
Explanation: Natural or human-made materials and services used to support life and economies.
Example: Growing populations put pressure on natural resources like water and energy.
11. Sustainability /səˌsteɪ.nəˈbɪl.ɪ.ti/ (n.)
Explanation: The ability to maintain balance by using resources responsibly to avoid depletion.
Example: Population control plays a key role in sustainability efforts.
12. Family planning /ˈfæm.əl.i ˌplæn.ɪŋ/ (n.)
Explanation: The practice of controlling the number and timing of children in a family through contraception and education.
Example: Family planning is essential for reducing unintended pregnancies.
13. Aging population /ˈeɪ.dʒɪŋ ˌpɒp.jʊˈleɪ.ʃən/ (n.)
Explanation: A population where the proportion of elderly people is increasing.
Example: Many developed countries are concerned about the effects of an aging population.
14. Life expectancy /ˌlaɪf ɪkˈspek.tən.si/ (n.)
Explanation: The average number of years a person is expected to live.
Example: Life expectancy has risen thanks to advances in medicine.
15. Dependency ratio /dɪˈpen.dən.si ˈreɪ.ʃi.əʊ/ (n.)
Explanation: The ratio of people not in the workforce (children and elderly) to those of working age.
Example: A high dependency ratio can strain the economy.
16. Reproductive health /ˌriː.prəˈdʌk.tɪv helθ/ (n.)
Explanation: The state of health related to the reproductive system at all stages of life.
Example: Access to reproductive health services empowers women and reduces maternal mortality.
17. Crowding /ˈkraʊ.dɪŋ/ (n.)
Explanation: The condition of having too many people in one area, leading to lack of space and resources.
Example: Overpopulation in cities often leads to crowding and poor living conditions.
18. Infrastructure /ˈɪn.frəˌstrʌk.tʃər/ (n.)
Explanation: Basic systems like transportation, water supply, and communication needed for society to function.
Example: A growing population requires improved infrastructure.
19. Demographic transition /ˌdem.əˈɡræf.ɪk trænˈzɪʃ.ən/ (n.)
Explanation: The shift from high birth and death rates to low birth and death rates as a country develops.
Example: The demographic transition is common in industrialized nations.
20. Policy /ˈpɒl.ə.si/ (n.)
Explanation: A plan or course of action adopted by a government or organization.
Example: Governments implement population policies to manage growth and resources.
#WorldPopulationDay #PopulationMatters #SustainableGrowth #Demography #FamilyPlanning #ReproductiveHealth #Urbanization #Census2025 #PopulationAwareness #GlobalDevelopment
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