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FEDERAL RESERVE statistical release
•^SfS^
G.3 (402)

For Immediate release

CAPACITY UTILIZATION
Manufacturing, Mining, Utilities, ana matismai

August 16, 1988

Capacity utilization in manufacturing, mining, and utilities rose 0.4 percentage
point in July to 83.5 percent, the largest increase since November. Increases were widespread
throughout the industrial sector, with notable strength at materials industries. Utilization at
primary processing industries more than reversed its June decline and returned to near its level
at the end of last year. The operating rate for advanced processing industries continued to
steadily advance in July, reaching 82 percent.
Operating rates for both durable and nondurable goods industries increased in July.
Utilization rates at primary metals industries and at producers of aerospace and miscellaneous
transportation equipment posted strong gains, rebounding from declines in June. The operating
rate in primary metals reached 89.5 percent in July, its highest level since July 1979. Utilization
at manufacturers of nonelectrical machinery rose nearly 1 percentage point to 82.6 percent, 6.8
percentage points above its level a year ago. The operating rate at nondurable manufacturers
posted its first sizable gain since late last year. Utilization rates for the paper and textile
industries, which had been very high at the end of 1987, eased perceptibly during the first half
of 1988.
Utilization at producers of industrial materials increased 0.8 percentage point in
July to 84.2 percent. The rise in the operating rate for this grouping reflected both the strength
in primary processing industries as well as continued increases in utilization at mines.

Capacity Utilization: Summary
Percent of capacity, seasonally adjusted
iy

Series

High

Low

/d

-80
riitjh

Lov

-87
Avg.

1988
APR

| HAY

| JUN

] JU1*

8b.b

72.1

8b.9

69.5

81.5

82.7

82.9

83.1

83.5

Manufacturing
Durable
Nondurable

87.7
87.4
88.8

6*.9
67,9
71.8

8o.b
86.3
87.0

66.0
63.7
74.2

80.6
78.7
83.5

82.9
80.9
85.9

83.2
81.8
85.3

83.2
81.7
85.4

83.7
82.3
85.8

Mining
Utilities

92.8
95.6

87.8
82.9

95.2
8a.b

76.9
78.0

86.7
86.9

- 82.3
79.3

81.1
80.2

81.7
82. 1

82.3
82-:>

70.5

89.1

6d.5

82.2

82.9

83.2

83.4

84.2

Total Industry

Industrial Materials




CAPACITY UTILIZATION

JULY DATA

SEASONALLY ADJUSTED, PERCENT

110
TOTAL INDUSTRY
TOTAL MATERIALS

90

70

50
110
MINING
UTILITIES

90

70
MANUFACTURING

50
110
MANUFACTURING
ELECTRICAL
MACHINERY

90

NONDURABLE

f
DURABLE

\

70

/

50
110
RAW STEEL
TEXTILE, PAPER AND
CHEMICAL MATERIALS

90

70

50

30

73

1976




1979

1982

1985

1988

1973

1976

1979

1982

1985

1988

MANUFACTURING, MINING AND UTILITIES
Capacity Utilization
Monthly, seasonally adjusted, percent of capacity
1975 1 197b 1 198^ 1 1967 J 1987 1
19/3
j JUL
Series
| _ 1987
1988
Low | - 8 7
Low ] - 8 0
Hiu,h
NOV 1 DEC 1 J A N \
J
J Avq.
1
1
1
1
1
1
I
8 2 . 4| 8 2 . 5 6 2 . 1^
82.1
8 1 . 51
8b.
72.11
69.5|
81. 1|
Total Industry
86.b
1
1
1
1
82. I 82. 7 82. o
62.2
00.
80.
by.91
Manufacturing
b7.7
61 8 1 . 5 |
oB.Oj
61
1
87. 6| 8 7 . 1 86.6
87.0
85.4J
81.71
65.0J
8 9 . 11
Primary processing
91.9
68.31
69.51
60.11
79.81
80.0
8 0 . 3 | 8 0 . 7 80.7
85. U
bo.O
71.1]
Advanced processing
1
1
1
80.5
8 0 . 11 8 0 . 3
79.9
78.71
78.61
8b.
Durable manufacturing
67.4
63.71
b7.9l
3|
B o . 61
62.9|
7 8 . 31
81.51
61.9
81. 4| 81. 5
62.2
b7.1|
Stone, clay and glass products
89.3
79. 6|
79.21
88.6
8 9 . 11 8 5 . 2 8 5 . 1
45.81
97. 1 j
Primary metals
1U1.9 I b 7 . 0 |
7 6 . b|
77.4|
88.8
9 1 . 61 8 7 . 3 66.8
37.6J
1 0 5 . 8 1 6 6 . 6 | 1 0 0 . 31
Iron and steel, subtotal
81. 61
88.3
8 5 . 81 82.4 82.7
60.8|
8 1 . 21
Nonferrous metals, subtotal
\t 5. 6 J O2. 11 9 1 . 11
78.21
79.4
8 0 . 81 8 1 . 6 8 1 . I1
7 7 . 81
b1.3|
8 7 . 41
Fabricated metal products
85.01 b4.7|
7 7 . 8| 7 8 . 5 76.'
62.91
7 8 . 11 75. 81 76.1
Nonelectrical machinery
c 9 . 0 1 68.21 8 o . 0 |
75.4|
76.5
76. 5| 77. 1 77.
66.9|
7 8 . 11
6 9 . 9]
85.71
63.7J
Electrical machinery
80.4
77. 7| 7 7 . 2
76.(
77.51
9 3 . 31
78.1|
4 7 . 01
97.11 5 2 . 7 |
Motor vehicles and parts
70.2
63. 9 | 59. 0
60.(
36.61
1 66.5|
Automobiles
1 93.
8
8.
88.7|
88.2
8 7 . 9» 8 8 . 7
70.71
7 7 . 71
8 7 . 11
Aerospace and misc. trans, eqp.
77.0J b 9 . 6 1
78.7|
79.9
7 8 . 5 | 7 9 . 7 80.0
77.8|
83. 0|
88. 9|
Instruments
b9.2| 7 4 . 9 |
82. 0
82.
61. 6 |
82.01
82.0
81.
8 1 . 01
b9.1l
o7.7| 69.01
Other durables
Nondurable manufacturing
Food and kindred products
Textile mill products
Paper and products
Chemicals and products
Petroleum products
Rubber and plastics products
Other nondurables
Mining
Utilities
Electric utilities

8b.8 1
85.8J
92.1 i
95.6J
88.6J
99.6J
97.51
86.41
1
92.8|
1
95.61
9b.7 |

71.81
77.6|
58.91
6/.71
69.21
83.7J
59.51
72.3|
1
87.8|
1
8^.91
83.0|
1

1

74.2J
76.51
70.6|
80.21
67.6|
od.Bl
71.21
78.91

83.
82.
85.
88.
78.

95.21

76.91

86.

1

88.
8 7 . 61
1

76.01
78.21

1
5|

01
51
91
8 6 . 91
8 4 . 81
8 6 . 01
1
71
1
86.
91
8 8 . 01
1

85. 91
80. 3|
93.91
97. 1J
83.21
85. 3J
89.0|
87.41

65.6
79.8
92.7
95.8
84.7
84.2
88.8
86.4

76.81

81.5

1
80. 21
85.91

61.2
82.8

66. I
4|
80.31
9 3 . 31
9 7 . 01
6 6 . 51
86. 6|
8 6 . 81

86. 2
80. 7
91. 5
96. 3
86. 3
86. 7
88. 3

21 86.0
I
I 80.7
81.
5|
6J».

80.0) 82.4
8 1 . 4| 64. 3

1 Ai'H 1 HAY 1 JUN 1 JUL

82.4

82.7

82.9

83.1

83.5

82.7

62.9

83.2

83.2

83.7

86.9
60.7

6b. 9
81.2

87.0
81.6

86.6
81.7

87.3
82.0

60.6
82.7
83.7
83.2
84.3
82.4
79.0
76.5
79.3
oS.8
67.b
80.0
62.4

80.9
81.9
83.7
63.5
84. 1
62.3
60.1
77.3
80.5
69.3
86.6
60.2
82.2

81.8
81.8
87.5
88.0
86.7
83.0
81.2
77.3
83.8
75.3
86.4
80.3
82.2

81.7
82.4
85.9
83.9
88.4
83.2
81.7
77.4
83.3
75.3
85.7
80.9
81.8

82.3

H8. i
66. j

85.8
60.2
91.4
95.1
85.0
68.5
88.4
66.2

65.9
79.6
91.3
94.9
86.2
66.5
86.0
66.3

85.3
80.0
88.6
94.8
85.7
85.3
88.3
85.2

85.4
80.1
89.6
92.8
85.9
84.5
88.4
85.6

79.

80. 6

82.3

81.1

81.7

82.3

82.1
85.9

82.5
86.3

•

8 7 . 0|
8 5 . 11
8 d . JJ
9 z . 71
62. 9 |
9 1 . 71
8 9 . 41
92. 4|

MAR

1
80.9
90.4
94. 1
O4.'1
86.. i

85.

62.6
84.4

81.0
83.2

79.3
82.2

80.2
83.5

89.5
83.4
82.6
78.0
81.6
71.4
87. 1
81.5
81.5
85.8

84.9
85.5

1

Output, Capacity, and Capacity Utilization
Quarterly, seasonally adjusted
OUTPUT

1
UTILIZATION
1 1987
1
1987
1988
_23_
I 02
JUL.
J
Qi
Q3
04
Q1
Q2
1
1
I
I
1 2 8 . 2 1 3 1 . 0 133.21134 5 13b.11
160.4 161.3 162.21 163. 1 164,
Total Industry
79.9 81.2 82.1
.1| 82.4 82.9
I
1
1
I
1 3 3 . 2 1 3 5 . 7 138.11139 6 141.51
Manufacturing
165.6 166.7 167.7J168.9 170.
80.5 81.4 82.3| 82.7 83.1
1
1
I
I
1 1 6 . 1 1 1 9 . 2 122.21123 U 123.9|
Primary processing
139.0 139.8 140.6J141.6 142.
83.5
85.3 86. 9| 86.9 86.8
1 4 3 . 5 1 4 5 . 8 147.61149 7 152.11
161.6 182.9 184.11185.4 186.
Advanced processing
79.0
79.7 80. 11 80.7 81.5
1
1
1 3 1 . 4 133.7
Durable manufacturing
4 141.01
169.3 170.2 171.11172.0 173
77.6 78.5
01 80.4 81.5
118.6 118.0 136.9| 138 5 121.61
Stone, clay and glass products
145.1 146.1 147.2|147.9 148
81.7
80.7
4| 62.1
82.0
119.81121
7 7. J 83.7
0
87.4J
Primary metals
103.3 102.6 101.8J101.6 102
74.8
81.6
8j 84.7 85.7
90.5|
66
66. J 73.8
5 76.0J
Iron and steel, subtotal
92.5
9
1
.
1
8
9
.
8
|
89.2
89
71.7
81.0
4| 85.8 85.1
81.21 76
98.0 102.2
1 106.71
Nonferrous metals, subtotal
123.7 124.1 124.61125.1 125
79.2
82.4
7| 83.2 86.4
108.01104
109.9 110.8
Fabricated metal products
141.5 142.3 143.01143.6 144
77.6
77.8
91 81.9 82.8
114.31117 8 119.8|
150.6 155.4
Nonelectrical machinery
204.1 205.4 206.71208.U 209
73.8
75.7
>.8| 78.7 81.0
156.7J163 7 169.5|
170.0 173.4
74.5
Electrical machinery
75.7
5| 76.9 77.4
175.71177 2 179. 11 2 2 8 . 1 228.9 229.6|230.5 231
1U9. 7 108.0
78.0
Motor vehicles and parts
140.7 141.2 1 4 1 . 7 | 1 4 2 . 3 142
76.5
i.O] 77.8 82.5
113.411 10 6 117.81
103. 1 9 2 . 2
6
109.91
69.7
Automobiles
147.8
148.6'
149.31149.8
149
62.0
73.3
9| 61.8
102.8| 92
152.6 152.9
89.2
Aerospace and misc. trans, eqp.
171.1 1 7 2 . 1 1 7 3 . 2 | 1 7 4 . 2 1 7 5 . . .
88.8
.3| 88.3 86.2
152.9J153 9 151.2|
14J. 1 145.z
. 0 151.51
78.8
Instruments
181.6 183.3 1 8 4 . 9 1 1 8 6 . 6 1 8 8 . 3 |
79.2
,31 79.9 80.5
146.7J149
132.2 133. 1
8 138.41
81.5
Other durables
162.2 1 6 4 . 0 165.81167.3 1 6 8 . 6 |
81.2
,7| 82.3 82.1
135.4|137
I
I
1
I
135.7 138.6 139.7| 141 4 142.2J
Nondurable manufacturing
84.7
85.7
160.3 161.7 163.11164.6 166.31
6| 85.9 85.5
137.0 138.9 139.01141 4 141.2|
Food and kindred products
79.9
80.4
171.6 172.8 174.11175.4 17b.8l
81
80.6 79.9
116.5 118.8 117.41116 2 115.81
Textile mill products
94.2
125.7 126.1 126.6|127.b 128.91 92.7
8) 91.1 89.8
Paper and products
141.5 14 8.4 148.31149 0 146.5|
92.6
96.6
152.4 153.6 154.9|156.2 157.7|
.71
95.4 94.2
Chemicals and products
138. i. 141.8 144.6)146 6 148.8J
81.9
83.6
168.7 169.6 170.51171.7 173.2|
. 8 | 85.3 85.9
94.71 9b . 9
Petroleum products
9 3 . 0 93.5
95.9|
84.4
84.6
110.1 110.5 110.8(111.1 111.4J
-4J 87.2 86.1
Rubber and plastics products
162.7 165.7
7 173.6|
87.3
87.8
1d6.3 188.8 191.31193.9 196.8J
41 88.5 88.2
Other nondurables
138.4 140.7 141.41143 0 144.4[
86.7
67.0
159.6 161.3 163.9J166.2 166.6J
>.3J 86.1
85.7
I
1
J
I
I
9 9 . 0 1 0 0 . 7 104.31102 5 103. 8J
Mining
76.3 78.0 81.2| 80.3 81.7
129.7 129.0 128.41127.7 127.0|
1
I
I
I
1
1UB.3 1 1 1 . 8 112.31114 7 112.81
Utilities
78.3
80.5 80l . 6 | 8 2 . 0 80.5
138.3 138.8.139.41139.8 140. 1J 6 3 . 4
1 2 6 . 6 1 3 0 . 2 126.61130 0 130.31
Electric utilities
85.1 82! . 2 | 8 4 . 0 83.8
151.9 152.9 154.0|154.8 155.41
ta for output are percentages df 1977 output as shown in the Federal Reserve'sfceason-I
1977 actual oujtput.
Capacity utilization percentages are calf ulated as ratios of production to
aHy adjusted indexes of Industrial production. Capacity is also expressed as a percentage of
capacity.
Series




1987

1988

INDUSTRIAL MATERIALS
Table 3

Capacity Utilization
Monthly, seasonally adjusted, percent of capacity
1978

1982 | 1967 | 1937 |
Low
| -87
| JUL |
i Avq. j
I

Series
digit

I
92.0j
J
J
91-8|
Durable goods materials
I
99.2|
Metal materials
I
106.0]
Raw steel
95.7|
Aluminum
I
I
Nondurable goods materials
91.1J
I
T<?jtfi!e, paper, and chemical materials
92.8|
i
Pulp and paper materials
98.UJ
Chemical materials
92.5J
i
Industrial Materials

70. 5|

o4.4J
I
67.1J
J
Ob.4|
73.01
1
J
b6.7|
I
64.8)
1
70. 6j
54.4|
1
94.b |
L 86.91

Energy materials

89.1j
j

68.5j
1
60.9|

93.bj
i
98.9J
97.4|
1
88. 1J
J
89.4J
97.31
8/.91
J

45.7J
1
36.1|
58.8|
1

70.7|
J
68.6|
1
79.91
63.51
i
1
94,01
L 62.3|

1
82.21
I
1
79.01
1
77.71
80.21
87.31
I
83.4|
83.8|
J
91.71
81.01
I
1
89.01

NGV

60. 6]
I
1
76.5|
1
73.9|
79.5|
86.8|
I
J
88.4|
I
90. 0J
100.5|
85. 1|
J
I
82.41

1986
DEC 1 JAN 1 ?Eb 1 HAB 1 Aftt 1 HAY j JUM 1 JUL

82.9 83.

83.0

HZ.6 62.4 82.9 83.2 83.4

84.2

79.0

79.7

79.3 79.1 79.7 80.9 80.8

81.6

83.3

80.1

79.3 78.3 79.3 82.0 81.4

84.6

89.7
94.8

90.3
97.1

65.7 86.5 83.4 89.7
97.9 99.2 99.5 98.8

89.0

88.8

87.3 68.3 88.7 87.9 87.6

88.2

91.0

90.6

88.3 69.9 90.1 88.7 88.6

89.3

98.7
88.6

100.6
87.8

85.7 84.

84.7

87.5
99.5

*7.8 97.8 98.1 98.1
85.7 67.5 88.0 86.9

9b.3
87.0

64.1 o4.1 84.5 83.7 85.2

86.3

L_

L

Table 4

Output, Capacity, and Capacity Utilization
Quarterly, seasonally adjusted
Series

Industrial Materials
Durable goods materials -

198'1
Q3
Q2

1988
Q2

116. 5 119.2 122. 5|122.5 124. 11
1
i
1
1
122. 9 125.7 130. 3|131.5 134.21
i

Metal materials

77.0

83.6

91.41 8b.2

Raw steel
Aluminum

67. 6
77. 8

77.0
83.6

79.5i 77.7
88.41 92.5
1

Nondurable goods materials
Textile, paper and chemical materials
Pulp and paper materials
Chemical materials

Energy materials

1
I

68.2|

I

133.0|131.6
I
137. 7 144.6 145. 11 145.7
125. 3 130.2 135. 5|133.5
1
1
9 8 . 7 100.0 102. 11100.9
J

146. 7 147.2
163. 1 163.9

132.4J
|
145.4|
135.71
1
1
100.9|

110. 0 109.4
92. 2
94. 9

1
1988
Q1
Q2
1
I
1
147.811^8. 5 14*. 3|
i
I
164.7J165. 7 1bb.8|
1
i
108.91108. d 109. 11
1
89.4J 88. 7 88. 7|
93.9J 94. 3 95. 51

Q4

Q3

j

77.11
94.8|
1
1
J
124.0 128.2 130. 41129.4 130.bl
1 130.5

1987
U2

90.8
94.4

J

143. 8 144.7 145.61 146.8
j
143. 4 144.4 145.4J1^6. 7
|
143. 9 145. 1 146.2J147. 6
149. 8 150.9 152.01153. 5
J
1
120. 4 120. 1 119.91119. 7
1

146.

198/
79. 4

61.0

75. 4

76.7

70. 0

7b.5

73.b
81.9

84.8
88.6

86. 2

88.6

87.

90.4

95. 1
83. b

99.b
86.3

62. 1

83.3

1
1
j

148. 51
i

149.21
155.4J
1

,„.

1988
Q1

U3

82.91 82.5
1
1
79.11 79.4
I
8 4 . 0 | 79.2
88.9|
94.1J
1
1
89-3]
I
91.5|
j
99.21
89.1|

Q2

83.1
80.5
80.9

87.5
98.1

86.9
99.2

88.1

88.1

89.7

89.2

98.7
87.0

97.5
87.3

85.21 84.3
1

84.5

Explanatory Notes
Definition. This release contains estimates of output, capacity, and capacity utilization for the
nation's factories, mines, and electric and gas utilities. Output data are the Federal Reserve's
seasonally adjusted indexes of industrial production, which express output as percentages of
1977 output. The capacity estimates are expressed as percentages of 1977 output as well.
Capacity utilization percentages are calculated as ratios of production to capacity. The capacity indexes are based on a variety of data, including capacity data in physical units compiled
by trade associations, private and government surveys of capacity growth and utilization rates,
and estimates of capital stock growth. The concept of practical capacity is applied, which is
defined as the greatest level of output that a plant can maintain within the framework of a realistic
work pattern, taking account of normal downtime, and assuming sufficient availability of inputs
to operate machinery and equipment in place. When the capacity indexes for individual industries are aggregated—for example to total manufacturing—no explicit account is taken of possible general equilibrium constraints such as emerging industry bottlenecks. Because of the
large and heterogeneous database, changes in utilization rates may be more meaningful in the
analysis of business conditions than any particular level of these rales.
Groupings. Estimates of capacity and industrial production for manufacturing industries are
aggregated to primary processing and advanced processing industries, to durabie and nondurable
manufacturing industries, and to total manufacturing. The mining, manufacturing, and utilities
estimates aggregate to the total index. Primary processing includes textile mill products, paper
and products, industrial chemicals, petroleum products, rubber and plastics products, lumber
and products, primary metals, fabricated metal products, and stone, clay, and glass products.
Advanced processing includes foods, tobacco products, apparel products, printing and publishing, chemical products such as drugs and toiletries, leather and products, furniture and fixtures,
machinery, transportation equipment, instruments, miscellaneous .manufactures, and
government-owned-and-operated ordnance facilities. Industrial materials are items produced and
.u.sed as inputs by manufacturing plants, mines, and utilities. Industrial materials include many
of the items included in the primary processing grouping of manufacturing, as well as some
of the output of the advanced processing industries, mines, and utilities—such as iron ore, crude
oil, semiconductors, and electricity sold to industry.




Perspective. The historical highs and lows in capacity utilization shown in the tables above are
specific to each series and did not all occur in the same month. Industrial plants usually operate at capacity utilization rates that are well below 100 percent: none of the broad aggregates
has ever reached 100 percent. For mining, manufacturing, and utilities as a whole, and for total
manufacturing, utilization rates as high as 90 percent have been exceeded only in wartime.
Revisions. The first estimates for a month are published about the 17th of the following month.
These estimates may revise in each of the next three months as new data become available.
After the fourth month no further revisions are undertaken until an annual or benchmark revision. The median of the revisions in the total manufacturing utilization rate between the first
and fourth estimate is 0.3 of a percentage point; that is, in about half of the cases, the absolute
value of the revision from the first to the fourth estimate is less than 0.3 of a percentage point.
Sources. The basic methodology used to estimate the series is discussed in Richard D. Raddock, "Revised Federal Reserve Rates of Capacity Utilization," Federal Reserve Bulletin, Vol.
71 (October 1985), pp. 754-66. Revised data for 1984-85 as well as historical utilization rates
since 1967 (1948 in the case of manufacturing) are included in the statistical supplement to the
September 1986 capacity utilization release. Copies may be obtained from Publications Services, Board of Governors of the Federal Reserve System, Washington, D.C. 20551
Rounding. Utilization rates are calculated from unrounded capacity and production indexes.
Aggregates are derived from unrounded detailed components.
Release schedule for 1988. Approximately 11 a.m. on January 19, February 18, March 17,
April 17, May 18, June 16, July 18, August 16, September 16, October 17, November 16, and
December 16.