(PopDev) Quiz Bee

• What is the impact of population factors on life?


  They influence where we live and the prices we pay for goods and services.
• Why do political leaders in industrialized countries focus on health care?


  Because their populations are aging.
• What do leaders of rapidly growing countries prioritize?


  Classrooms, employment opportunities, and housing.
• How do population conditions influence history?


  They can significantly affect populations through events like wars.
• What can wars do to a population?

  They can decimate a generation of men.
• How can the discovery of new medicines affect life expectancy?


  It often leads to increases in life expectancy.
• What does an increase in population change indicate?


  It may signal other important changes, such as environmental contamination.
• How is population information best communicated?


  In terms of numbers and rates.
• Why is it important to know how many years life expectancy is increasing?


  It provides context for the magnitude and distribution of the phenomenon.
• What is the difference between birth rates and growth rates?


  Birth rates refer to the number of live births, while growth rates include all demographic changes.
• What is demography?


  The scientific study of population.
• What do demographers seek to understand?


  The levels and trends in population size and its components.
• What types of data do demographers use?


  Censuses, birth and death records, surveys, and visa records.
• What is a count in demography?


  The absolute number of a population or demographic event in a specified area and time.
• What does a rate in demography represent?


  The frequency of demographic events in a population during a specified time period.
• How are most rates expressed in demography?


  Per 1,000 population.
• What is the difference between crude rates and specific rates?


  Crude rates are for the entire population, while specific rates are for subgroups.
• What is a ratio in demography?


  The relation of one population subgroup to the total population or another subgroup.
• What does a population pyramid display?


  A population’s age and sex composition.
• How does the age structure of a population affect its birth and death rates?


  Populations with more elderly people tend to have more deaths and fewer births.
• What is the age-dependency ratio?


  The ratio of people in dependent ages to those in economically productive ages.
• What does a population pyramid with a large percentage of younger ages indicate?


  Rapid growth.
• What does a population pyramid with decreasing numbers in younger age groups indicate?


  Zero growth or decline.
• How does the age structure of Senegal's population reflect its growth pattern?


  It shows a characteristic of rapid growth with larger younger cohorts.
• What demographic events influenced Japan's population pyramid in 2006?


  Loss of young men during World War II and changes in birth rates post-war.
• What was the age-dependency ratio in Uganda in 2009?


  106.
• How does the age-dependency ratio in Guatemala compare to that in Japan?


  Guatemala had a higher ratio of 85 compared to Japan's 57.
• What is the median age of Costa Rica's population in 2009?


  28 years.
• What is the sex ratio at birth in most countries?


  About 105 males per 100 females.
• What does the age-dependency ratio indicate?


  The economic burden the productive portion of a population must carry.
• What was the sex ratio in France in 2010?


  94 males per 100 females.
• What was the sex ratio for ages 25 to 29 in Russia in 2010?


  101.
• What is a proportion in demography?


  The relation of a population subgroup to the entire population.
• What is a constant in demographic measures?


  An unchanging, arbitrary number used to express measures more understandably.
• How can multiplying a rate by a constant help in understanding demographic data?


  It expresses the measure in a more understandable fashion.
• What is the median age of Niger's population?


  15
• What is the median age of Japan's population?


  45
• What was the number of males in the population calculation?

  30,413,779
• How do you calculate the number of males per 100 females?


  Number of males divided by number of females multiplied by 100
• What was the sex ratio in France in 2010?


  94 males per 100 females