National Income Dynamics Study 2014
South Africa, 2014 - 2015
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Reference ID
ZAF_2014_NIDS-W4_v01_EN_M_v01_A_OCS
Producer(s)
Southern Africa Labour and Development Research Unit
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Metadata
Created on
Oct 07, 2020
Last modified
Nov 03, 2020
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d3 - Biological mother's year of death (w4_a_mthdthy)
Data file: Adult_W4_Anon_V1.0
Overview
Valid:
7720
Invalid:
19099
Minimum:
-9
Maximum:
9999
Type:
Discrete
Decimal:
0
Start:
832
End:
835
Width:
4
Range:
-9 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| -9 | 3 |
0%
|
|
| -3 | 190 |
2.5%
|
|
| 1916 | 1 |
0%
|
|
| 1920 | 1 |
0%
|
|
| 1935 | 1 |
0%
|
|
| 1937 | 1 |
0%
|
|
| 1938 | 1 |
0%
|
|
| 1942 | 1 |
0%
|
|
| 1944 | 2 |
0%
|
|
| 1946 | 2 |
0%
|
|
| 1948 | 6 |
0.1%
|
|
| 1949 | 3 |
0%
|
|
| 1950 | 2 |
0%
|
|
| 1951 | 1 |
0%
|
|
| 1952 | 2 |
0%
|
|
| 1953 | 5 |
0.1%
|
|
| 1954 | 3 |
0%
|
|
| 1955 | 3 |
0%
|
|
| 1956 | 3 |
0%
|
|
| 1957 | 4 |
0.1%
|
|
| 1958 | 6 |
0.1%
|
|
| 1959 | 5 |
0.1%
|
|
| 1960 | 12 |
0.2%
|
|
| 1961 | 3 |
0%
|
|
| 1962 | 3 |
0%
|
|
| 1963 | 8 |
0.1%
|
|
| 1964 | 5 |
0.1%
|
|
| 1965 | 7 |
0.1%
|
|
| 1966 | 8 |
0.1%
|
|
| 1967 | 10 |
0.1%
|
|
| 1968 | 11 |
0.1%
|
|
| 1969 | 12 |
0.2%
|
|
| 1970 | 15 |
0.2%
|
|
| 1971 | 10 |
0.1%
|
|
| 1972 | 5 |
0.1%
|
|
| 1973 | 16 |
0.2%
|
|
| 1974 | 16 |
0.2%
|
|
| 1975 | 21 |
0.3%
|
|
| 1976 | 28 |
0.4%
|
|
| 1977 | 18 |
0.2%
|
|
| 1978 | 22 |
0.3%
|
|
| 1979 | 28 |
0.4%
|
|
| 1980 | 37 |
0.5%
|
|
| 1981 | 23 |
0.3%
|
|
| 1982 | 27 |
0.3%
|
|
| 1983 | 34 |
0.4%
|
|
| 1984 | 39 |
0.5%
|
|
| 1985 | 34 |
0.4%
|
|
| 1986 | 41 |
0.5%
|
|
| 1987 | 44 |
0.6%
|
|
| 1988 | 61 |
0.8%
|
|
| 1989 | 57 |
0.7%
|
|
| 1990 | 77 |
1%
|
|
| 1991 | 49 |
0.6%
|
|
| 1992 | 71 |
0.9%
|
|
| 1993 | 59 |
0.8%
|
|
| 1994 | 80 |
1%
|
|
| 1995 | 80 |
1%
|
|
| 1996 | 94 |
1.2%
|
|
| 1997 | 98 |
1.3%
|
|
| 1998 | 146 |
1.9%
|
|
| 1999 | 147 |
1.9%
|
|
| 2000 | 177 |
2.3%
|
|
| 2001 | 156 |
2%
|
|
| 2002 | 242 |
3.1%
|
|
| 2003 | 255 |
3.3%
|
|
| 2004 | 246 |
3.2%
|
|
| 2005 | 290 |
3.8%
|
|
| 2006 | 279 |
3.6%
|
|
| 2007 | 274 |
3.5%
|
|
| 2008 | 265 |
3.4%
|
|
| 2009 | 224 |
2.9%
|
|
| 2010 | 248 |
3.2%
|
|
| 2011 | 263 |
3.4%
|
|
| 2012 | 312 |
4%
|
|
| 2013 | 317 |
4.1%
|
|
| 2014 | 302 |
3.9%
|
|
| 2015 | 57 |
0.7%
|
|
| 3333 | Missing | 12 |
0.2%
|
| 5555 | Not Applicable | 5 |
0.1%
|
| 8888 | Refused | 2 |
0%
|
| 9999 | Don't Know | 1992 |
25.8%
|
| Sysmiss | 19099 |
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.