Demography
What is demography?
The scientific study of human populations, focusing on size, structure, and distribution.
When did the global population reach 8 billion?
November 2022
What is urbanization?
The process of people moving from rural to urban areas.
What is a green city?
An urban area designed with environmental sustainability in mind.
What is urban wildlife?
Wild animals living in human-populated areas.
What are key factors in demography?
Births, deaths, migration, and aging.
What is the current global population growth rate?
About 1% per year.
What major event catalyzed urbanization in the 18th-19th centuries?
The Industrial Revolution.
Name a key feature of green cities.
Efficient use of resources or abundant green spaces.
Name a behavioral adaptation observed in urban wildlife.
Nocturnal activity to avoid human interaction.
What does a population pyramid represent?
A visual representation of age and gender distribution in a population.
Which regions have the highest population growth rates?
Sub-Saharan Africa, Middle East, and South Asia.
Name one challenge associated with urbanization.
Overcrowding and housing shortages.
Which city aims to be carbon-neutral by 2025?
Copenhagen, Denmark.
What physical adaptation might urban foxes exhibit?
Changes in body size, such as larger size in cities.
What is the median age?
The age that divides a population into two equal halves, reflecting the overall age structure.
What factors contribute to slow or declining population growth?
Lower fertility rates, aging populations, and access to family planning.
What are some positive impacts of urbanization?
Better job prospects, improved education, and cultural attractions.
What is the "City in a Garden" concept?
Singapore's approach to integrating nature within urban development.
Why do some animals shift their diet in urban areas?
They exploit human food waste and new food sources like bird feeders.
How does understanding demographics help in societal problem-solving?
It allows for tailored policies and resource allocation based on population characteristics.
What are the projected global populations for 2050 and 2100?
2050 – 9.7 billion; 2100 – 10.4 billion.
What is a smart city?
An urban area that uses technology and data to improve the quality of life and sustainability.
Why is reducing the urban heat island effect important?
It lowers temperatures in cities and reduces energy consumption for cooling.
What is one benefit of urban wildlife?
Enhances biodiversity and provides educational opportunities.