1990 Census of Population and Housing - IPUMS Subset

United States, 1990

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Reference ID

USA_1990_PHC_v01_M_v7.5_A_IPUMS

Producer(s)

U.S. Census Bureau, IPUMS

Metadata

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Created on

Sep 03, 2025

Last modified

Sep 03, 2025

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Age (US1990A_AGE)

Data file: USA1990_PHC-P-H.dat

Overview

Type: Discrete

Decimal: 0

Start: 258

End: 259

Width: 2

Range: -

Format: Numeric

Questions and instructions

Literal question

<svar a="all" v="US90A423">5. Age and year of birth <div class="i1">a. Print each person's age at last birthday. Fill in the matching circle below each box. _ _ _ a. Age b. Year of birth b. Print each person's year of birth and fill the matching circle below each box. 1 _ _ _ b. Year of birth</div> [Print age at last birthday in the space provided (print "00" for babies less than 1 year old). Fill in the matching circle below each box. For an illustration of how to complete question 5, see the Example on page 2 of this guide [omitted].] </svar>

Categories

Value	Category
00	Less than 1 year old
01	1
02	2
03	3
04	4
05	5
06	6
07	7
08	8
09	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	34
35	35
36	36
37	37
38	38
39	39
40	40
41	41
42	42
43	43
44	44
45	45
46	46
47	47
48	48
49	49
50	50
51	51
52	52
53	53
54	54
55	55
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	66
67	67
68	68
69	69
70	70
71	71
72	72
73	73
74	74
75	75
76	76
77	77
78	78
79	79
80	80
81	81
82	82
83	83
84	84
85	85
86	86
87	87
88	88
89	89
90	90 or older

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Description

Definition

This variable indicates the respondent's age in years.

Universe

United States 1990: All persons

concept

Concept

var_concept.title	Vocabulary
Demographic Variables -- PERSON	IPUMS

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