WORLD POPULATION 11/3

WORLD POPULATION 11/3

1. 2 DISTINGUISHABLE PERIODS

   • FROM ORIGIN OF MAN TO 1750
     • POP DID NOT DEV FAST
       • BIRTH RATIO & MORTALITY RATIO WAS HIGH
   • - PERIOD AFTER 1750
     • POPULATION EXPLOSION
       • MORTALITY BECAME LOW BUT BIRTH RATE REMAINED HIGH

2. SIZE OF POPOLATION

   • ASIA 60%
     • AFRICA 16^
       • EUROPE 10%
         • N AMERIC 8%
           • S AMERICA 5%
             • AUSTRALIA 1%
           • USA 4%
     • HIGHEST
     • CHINA 19%
     • INDIA 17%
   • 76% IN 2 CONTINENTS
     • 23 COUNTRIES HAVE A POP OVER 100M
       • HIGHETST CHINA 1.3 BILLION
         • INDIA 1.2 BILLION
           • USA 322 m

3. POPULATION DENSITY

   • FEATURES
     • 64% OF WORLD POPULATION LIVE IN 10% OF LAND
   • POPULATION IN A CERTAIN UNIT OF LAND
     • POPULATION DIVIDED BY LAND AREA
   • 3 CONCERNTRATIONS
     • SECONDARY WORLD POPULATION CONCERNTRATIONS
       • E, W & NE COASTAL OF N AMERICA
         • EASTERN COASTAL CONCERNTRATION OF S AMERICA
           • ZONE AROUND THE NILE ESTUARY
     • SPASLEY POPULATED REGIONS
       • COLD DESERTS (ARTIC & ANTARCTIC)
         • HOT DESERTS (SAHARA IN AFRICA & CENTRAL AUS
           • MOUNTAINOUS (HIMALAYA, ANDES, ROCKIES)
             • TROPICAL RAIN FORESTS (AMAZON, CONGO)
               • LESS THAN 5 PERSONS / SQKM
     • DENSLEY POPULATED
       • EAST ASIA
         • S & SE ASIA
           • NW EUROPE
             • NE COASTAL ZONE OF USA
       • 64% of world pop
       • 80%
         • 80% OF WORLD POP LIVES HERE
           • 65 PERSONS /SQKM

4. FACTORS THAT CONTRIRBUTE TO UNEQUAL POP DISTRIBUTION

   • PHYSICAL FACTORS
     • CLIMATE
       • HIGH POP IN RIVER VALLEYE
       • LOW POP IN POLAR REGIOINS
       • LOW POP IN AREAS LIKE AMAZON & CONGO BASIN DUE TP HIGH TEMP & HEAVY RAIN
     • PHYSICAL FEATURES
       • NATURE OF TERRAIN
         • RUGGED - LESS (MOUNTAINS)
           • ROCKIES, HIMALAYAS, ANDIES
     • DRAINAGE
   • HUMAN FACTORS
     • URBANIZATION, INDUSTRIES, ETC

5. FEATURES

   • POP WHICH WAS 1 BILLION IN 1750 REACHED 7 BILLION IN 2011
   • IN 1950 DEVELOPING COUNTRIES POP GREW FASTER THAN DEVELOPED COUNTRIES
   • WITHIN 12 YEARS NOW THE POP HAS DOUBLED
   • EXPECTED TO REACH 11 BILLION BY END OF CENTURY

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