How heavily an area is populated. Usually measured by number of people per square mile. Where is worldwide population is generally concentrated? Near seacoasts and sources of fresh water (rivers). The movement of people from place to place. Why do people migrate? Conditions that make people want to leave a place. • Conflict (war) • Natural hazards (e.g., droughts, floods, famines, volcanic eruptions) • Lack of job opportunities • Agricultural decline • Limits on personal freedom • Overpopulation • Political persecution • Religious persecution •Environmental degradation Conditions that attract people to a place. • Economic opportunity (jobs) • Religious freedom • Land availability • Political freedom • Ethnic and family ties • Arable land (land that can be farmed) Number of live births per 1,000 population. The average number of children a woman has during her lifetime. Number of deaths per 1,000 people. Number of infant deaths (in first year) per 1,000 live births. Birthrate – deathrate = natural increase. Birthrate – deathrate = natural increase. The average length of life. The percentage of each age group in a population. An even age distribution indicates a developed nation. An uneven age distribution indicates a developing nation. The percentage of adults who can read and write. What is the relationship between literacy and wealth? The value of goods and services produced by the average person in the economy. A measurement of how wealthy or poor people are in a nation. TOP TEN NATIONS 1 2 3 4 5 6 7 Qatar Luxembourg Norway Brunei Singapore United States Switzerland Hong Kong 8 Ireland 9 Netherlands 10 Austria $87,717 $78,723 $53,269 $50,103 $49,433 $46,443 $42,948 $42,574 $39,441 $39,278 $38,896 BOTTOM TEN NATIONS 183 Togo 184 Afghanistan 185 Cent. African Rep. 186 Eritrea 187 Niger 188 Guinea-Bisseau 189 Somalia 190 Liberia 191 Burundi 192 Dem. Rep. of Congo 193 Zimbabwe $900 $800 $700 $700 $700 $600 $600 $500 $300 $300 $200 Which place has a higher per capita GDP? In Shullistan 49.2 % of the population is under 15 years old. Is that good or bad? BAD! What is life expectancy? The average length of life of a person in a population. In Landesland, the life expectancy is 78.2 years. Is that good or bad? GOOD! Birthrate – deathrate = ? Natural increase (Population growth rate) What problem might result in a nation with a fertility rate of 1.2? The natural growth rate is below zero. (People are not producing enough babies to replace themselves.) How heavily an area is populated. Usually measured by number of people per square mile. Population density What is literacy rate? The percentage of adults who can read and write. What type of country does this population pyramid indicate? Developed What type of country does this population pyramid indicate? Developing What problem does this population pyramid indicate? Decreasing population