National Income Dynamics Study 2010-2011, Wave 2 Secure Data
South Africa, 2010 - 2011
Get Microdata
Reference ID
zaf-saldru-nidssd-2010-2011-v4.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 24, 2018
Last modified
Oct 18, 2023
Page views
229044
Downloads
1153
c2_3_y4 - Date of birth (year) of child 4 (w2_a_bhdob_y4)
Data file: Adult_W2_Secure_V4.0.0
Overview
Valid:
2978
Invalid:
18896
Type:
Discrete
Decimal:
0
loc_start_pos:
462
loc_end_pos:
465
Width:
4
Range:
1943 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1943 | 1 |
0%
|
|
| 1950 | 2 |
0.1%
|
|
| 1951 | 3 |
0.1%
|
|
| 1952 | 3 |
0.1%
|
|
| 1953 | 6 |
0.2%
|
|
| 1954 | 1 |
0%
|
|
| 1955 | 3 |
0.1%
|
|
| 1956 | 4 |
0.1%
|
|
| 1957 | 10 |
0.3%
|
|
| 1958 | 10 |
0.3%
|
|
| 1959 | 5 |
0.2%
|
|
| 1960 | 17 |
0.6%
|
|
| 1961 | 6 |
0.2%
|
|
| 1962 | 18 |
0.6%
|
|
| 1963 | 31 |
1%
|
|
| 1964 | 24 |
0.8%
|
|
| 1965 | 29 |
1%
|
|
| 1966 | 27 |
0.9%
|
|
| 1967 | 22 |
0.7%
|
|
| 1968 | 41 |
1.4%
|
|
| 1969 | 32 |
1.1%
|
|
| 1970 | 37 |
1.2%
|
|
| 1971 | 32 |
1.1%
|
|
| 1972 | 55 |
1.8%
|
|
| 1973 | 51 |
1.7%
|
|
| 1974 | 49 |
1.6%
|
|
| 1975 | 52 |
1.7%
|
|
| 1976 | 57 |
1.9%
|
|
| 1977 | 71 |
2.4%
|
|
| 1978 | 52 |
1.7%
|
|
| 1979 | 52 |
1.7%
|
|
| 1980 | 60 |
2%
|
|
| 1981 | 42 |
1.4%
|
|
| 1982 | 62 |
2.1%
|
|
| 1983 | 65 |
2.2%
|
|
| 1984 | 50 |
1.7%
|
|
| 1985 | 91 |
3.1%
|
|
| 1986 | 68 |
2.3%
|
|
| 1987 | 69 |
2.3%
|
|
| 1988 | 66 |
2.2%
|
|
| 1989 | 68 |
2.3%
|
|
| 1990 | 72 |
2.4%
|
|
| 1991 | 85 |
2.9%
|
|
| 1992 | 64 |
2.1%
|
|
| 1993 | 73 |
2.5%
|
|
| 1994 | 53 |
1.8%
|
|
| 1995 | 63 |
2.1%
|
|
| 1996 | 54 |
1.8%
|
|
| 1997 | 73 |
2.5%
|
|
| 1998 | 41 |
1.4%
|
|
| 1999 | 54 |
1.8%
|
|
| 2000 | 44 |
1.5%
|
|
| 2001 | 54 |
1.8%
|
|
| 2002 | 52 |
1.7%
|
|
| 2003 | 58 |
1.9%
|
|
| 2004 | 59 |
2%
|
|
| 2005 | 47 |
1.6%
|
|
| 2006 | 60 |
2%
|
|
| 2007 | 56 |
1.9%
|
|
| 2008 | 48 |
1.6%
|
|
| 2009 | 50 |
1.7%
|
|
| 2010 | 42 |
1.4%
|
|
| 2011 | 2 |
0.1%
|
|
| 2222 | 2222. Not asked in Phase 2 | 0 |
0%
|
| 3333 | 3333. Missing | 3 |
0.1%
|
| 5555 | 5555. Not Applicable | 0 |
0%
|
| 8888 | 8888. Refused | 0 |
0%
|
| 9999 | 9999. Don't know | 327 |
11%
|
| Sysmiss | 18896 |
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.