Population Pyramids
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Population PyramidsAPHuGMs. Pullen
Population PyramidsAKA age-sex pyramidsarea's population by age and sex (gender) for a particular point in time Males on the leftFemales on the rightthe bars typically read as percentages of the total population sometimes the actual number of people is shownScaled is preferred by human geographers! Why?
What Do They Say?Demographic disasters: War, famine, epidemicDemographic transition: Extreme pyramid= stage 2Collumnular= stage 4Make up of the communityCultural preferences
Population Pyramids
http://ecp3113-01.fa01.fsu.edu/lively_introduction/fig7.gif
What will the pyramid look like in 2025? 2050?
Age Dependency Ratio
12345
38139
-2.35480528822.2162278129
-2.4522163172.3074242866
-2.47472350562.3385317125
-2.66965644462.5313890906
-3.24724797173.1145194894
-4.08522190753.8939636469
-4.28060010464.0751975374
-4.12461078683.9798845922
-3.55223934743.50499175
-3.24516548073.2832480387
-3.29064417353.3906366596
-2.76356777972.9364249281
-2.79042706263.0881816955
-2.45102434222.879357398
-2.08423911732.6866611444
-1.55416892612.3406401913
-1.34059925190.0001178115
Germantown, 38139 (Houston High)
Males(%)
Females(%)
AGE
PERCENT
43210
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
43210 Columbus, Ohio
Males(%)
Females(%)
AGE
PERCENT
Kotzebue, Alaska
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Males(%)
Females(%)
AGE
PERCENT
Fisher Island FL
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Males(%)
Females(%)
AGE
PERCENT
Fisher Island, FL
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Males(%)
Females(%)
AGE
PERCENT
Buffalo County, SD
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Males(%)
Females(%)
AGE
PERCENT
Nashville
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Nashville, TN
Males(%)
Females(%)
AGE
PERCENT
Chattanooga
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Chattanooga, TN
Males(%)
Females(%)
AGE
PERCENT
West Memphis, AR
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
West Memphis, AR
Males(%)
Females(%)
AGE
PERCENT
Olive Branch, MS
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Olive Branch, MS
Males(%)
Females(%)
AGE
PERCENT
Loretto, TN
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Loretto, TN
Males(%)
Females(%)
AGE
PERCENT
Downtown Memphis, 38103
-1.25081433221.0684039088
-0.46905537460.5732899023
-0.44299674270.5342019544
-3.27035830620.5081433225
-8.62540716614.8729641694
-11.51791530946.1368078176
-8.53420195444.1433224756
-6.76221498372.7752442997
-5.21172638442.8403908795
-4.14332247562.4234527687
-3.86970684043.1270358306
-2.52768729642.1498371336
-1.86319218241.6286644951
-1.08143322481.1726384365
-0.93811074921.3159609121
-0.59934853421.1986970684
-0.31270358310.9511400651
-0.14332247560.651465798
-0.07817589580.2866449511
Downtown Memphis, 38103
Males(%)
Females(%)
AGE
PERCENT
38125 Southwind HS
-3.69717571033.5125267531
-4.15460153593.9405766083
-4.38960929964.4357715389
-3.59645809733.5125267531
-2.12346300732.0143522599
-3.1474254063.6803894414
-4.21755004414.7505140795
-4.75471064675.3338369214
-4.74631751235.3674094591
-4.2972848214.6959587058
-3.84825212983.7013722775
-2.29132569562.0689076336
-1.43522598511.3261152377
-0.86029627760.847706576
-0.62948508120.8393134416
-0.41126358640.6210919468
-0.18045238990.2853665701
-0.04616223930.1678626883
-0.01678626880.0545553737
Southeast Shelby County, 38125 (Southwind High School)
Males(%)
Females(%)
AGE
PERCENT
Italy 2000
-2.35480528822.2162278129
-2.4522163172.3074242866
-2.47472350562.3385317125
-2.669656444