[ 381 ] Geography and the World GED ® TEST SOCIAL STUDIES FLASH REVIEW _____________ • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Use the graphs below to answer the following three questions. World Population Growth Rate: 1950–2050 2.5 2.0 2010 2020 2030 2040 2050 Growth rate (percent) 1.5 1.0 0.5 0.0 1950 1960 1970 1980 1990 2000 Year Rate of population growth = birth rate – death rate Source: U.S. Census Bureau, International Data Base 10-2002. World Population: 1950–2050 10 9 8 7 6 5 4 3 2 1 Source: U.S. Census Bureau, International Data Base 10-2002. 1950 1960 1970 1980 1990 2000 2010 2020 2030 2040 2050 Year Population (billions) The greatest increase in the population growth rate between 1950 and 2000 occurred in a. 2001–2002. b. 2000–2001. c. 1990–2000. d. 1962–1963.