Exercise 5d : Calculation of net migration of white males, by age, 
by LTSR method for Tennessee: 1960-70. 5D.WK1

                     (1)      (2)      (3)      (4)      (5)      (6)      (7)      (8)
 Age in:          Census . Census .          Forward Method    Reverse Method     Average
  1960     1970     1960     1970     LTSRs  Suvivors    Net    Younged    Net
All ages All ages  1459508  1601807     S    (1)*(3)  (2)-(4)  (2)/(3)  (6)-(1)  (5+7)/2
   (X)   Under 5     (X)     133177    (X)
   (X)   5-9         (X)     154259    (X)
Under 5  10-14      157907   162216 0.993195
5-9      15-19      152672   157061 0.992973
10-14    20-24      151135   131328 0.987408
15-19    25-29      127409   113643 0.982582
20-24    30-34       93521    96863 0.981163
25-29    35-39       89484    90677 0.978991
30-34    40-44       95017    95704 0.970785
35-39    45-49       99199    96114 0.955584
40-44    50-54       91658    87034 0.930202
45-49    55-59       88291    79455 0.892299
50-54    60-64       78479    68467 0.841066
55-59    65-69       65230    51942 0.770774
60-64    70-74       51924    37045 0.685202
65-69    75-79       44414    24309 0.574991
70-74    80-84       33550    13766 0.417424
   75+      85+      39618     8747 0.175055
   65+      75+     117582    46822 0.379669
 

. U.S. Bureau of the Census. Census of Population: 1970 General 
   Population Characteristics Final Report PC (1)-B44 Tennessee, 
   Table 21. Age by Race and Sex: 1900 to 1970. p. 44-55
Ibid. Table 20. Age by Race and Sex: 1970, p. 44-49.
NCHS. U.S. Department of Health, Education, & WElfare. 
  Tennessee State Life Tables: 1959-61, II, Number 43 
  Washington, D.C., June, 1966) pp. 600-607. 


LTSRs = (Lx+n/Lx)                   Mx+t = Px+t - S*Px
                                    M = Px+t/S  - Px
LTSR75+ = T85+/T75+
LTSR65+ = (T75+/T65+)               (M + Mx+t)/2
see p. 631 Shryock & Seigel. 




ANSWERS To Average of Forward & Reverse LTSR Net Migration Rates


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