TIMBER RESOURCES FOR AMERICAS FUTURE 



Table 1. — Economic projections used in estimating future demand for timber 



Item 



Unit 



1952 



1975 



2000 



For lower 

 and medium 

 timber pro- 

 jections 



For upper 

 timber pro- 

 jection 



Population 



Total labor force 



Armed forces 



Civilian labor forces 



Unemployed 



Employed civilians 



Work week 



Man-hour productivity 



Gross national product 



Input of physical structure materials 

 Disposable personal income 



Million people. 



do 



do 



-do- 

 -do. 

 .do- 



Hours 



Dollars' 



Billion dollars > 



Billion index units 2_ 

 Billion dollars ' 



157. 

 66. 4 



3. 4 

 63. 



1. 7 



61. 3 



40. 2 



2. 56 



354. 1 



5. 9 



238 



215 



85. 

 3.5 



81. 5 

 3. 5 



78. 

 35 



4. 50 

 630 

 8. 3 

 441 



275 

 110 

 4.0 

 106 



4 



102 



30 



7. 50 



1,200 



12. 2 



840 



360 



133 



4. 



129 



5 



124 



30 



7.50 



1,450 



14.7 



1,015 



' In 1953 constant dollars. 



Measured in dollars at 1935—39 prices. 



..^^^ 



t"^^- 



.#^ 



GROSS NATIONAL 

 — PRODUCT — 



^s> 



,^^ 



billions of 1953 dollars 



^s^^ 



A^' 



,-«.v^ 



v^'^ 



>.# 



#^ 



,)^^ 



;n^<-^ 



A^^*^ 



#^ 



.^ON^^ 



.C\^ 



NiS^ 



iSVOVJW 



m 



^vam 



^t)ita\os^ 



POPULATION 



millions of people 



1500 

 1400 

 1200 



1000 



900 



800 



700 



600 



500 



400 



300 



200 



100 



I 



191020 



2000 



Figure 2 



