National Income Dynamics Study - Coronavirus Rapid Mobile Survey 2021, Wave 4
South Africa, 2020 - 2021
Get MicrodataCreated on
Oct 14, 2021
Last modified
Oct 14, 2021
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Best date of birth (year) (w4_nc_best_dob_y)
Data file: derived_NIDS-CRAM_Wave4_Anon_V2.0.0.dta
Overview
Valid:
5629
Invalid:
-
Minimum:
1922
Maximum:
2002
Type:
Discrete
Decimal:
0
Start:
61
End:
64
Width:
4
Range:
1922 - 2002
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1922 | 1 |
0%
|
|
| 1928 | 2 |
0%
|
|
| 1930 | 4 |
0.1%
|
|
| 1931 | 2 |
0%
|
|
| 1932 | 8 |
0.1%
|
|
| 1933 | 3 |
0.1%
|
|
| 1934 | 9 |
0.2%
|
|
| 1935 | 10 |
0.2%
|
|
| 1936 | 6 |
0.1%
|
|
| 1937 | 7 |
0.1%
|
|
| 1938 | 8 |
0.1%
|
|
| 1939 | 13 |
0.2%
|
|
| 1940 | 14 |
0.2%
|
|
| 1941 | 14 |
0.2%
|
|
| 1942 | 20 |
0.4%
|
|
| 1943 | 21 |
0.4%
|
|
| 1944 | 28 |
0.5%
|
|
| 1945 | 20 |
0.4%
|
|
| 1946 | 28 |
0.5%
|
|
| 1947 | 26 |
0.5%
|
|
| 1948 | 30 |
0.5%
|
|
| 1949 | 38 |
0.7%
|
|
| 1950 | 35 |
0.6%
|
|
| 1951 | 42 |
0.7%
|
|
| 1952 | 47 |
0.8%
|
|
| 1953 | 35 |
0.6%
|
|
| 1954 | 45 |
0.8%
|
|
| 1955 | 53 |
0.9%
|
|
| 1956 | 54 |
1%
|
|
| 1957 | 58 |
1%
|
|
| 1958 | 50 |
0.9%
|
|
| 1959 | 44 |
0.8%
|
|
| 1960 | 63 |
1.1%
|
|
| 1961 | 44 |
0.8%
|
|
| 1962 | 71 |
1.3%
|
|
| 1963 | 63 |
1.1%
|
|
| 1964 | 59 |
1%
|
|
| 1965 | 60 |
1.1%
|
|
| 1966 | 54 |
1%
|
|
| 1967 | 51 |
0.9%
|
|
| 1968 | 58 |
1%
|
|
| 1969 | 103 |
1.8%
|
|
| 1970 | 93 |
1.7%
|
|
| 1971 | 102 |
1.8%
|
|
| 1972 | 110 |
2%
|
|
| 1973 | 94 |
1.7%
|
|
| 1974 | 119 |
2.1%
|
|
| 1975 | 126 |
2.2%
|
|
| 1976 | 110 |
2%
|
|
| 1977 | 109 |
1.9%
|
|
| 1978 | 121 |
2.1%
|
|
| 1979 | 112 |
2%
|
|
| 1980 | 127 |
2.3%
|
|
| 1981 | 97 |
1.7%
|
|
| 1982 | 133 |
2.4%
|
|
| 1983 | 147 |
2.6%
|
|
| 1984 | 153 |
2.7%
|
|
| 1985 | 159 |
2.8%
|
|
| 1986 | 147 |
2.6%
|
|
| 1987 | 176 |
3.1%
|
|
| 1988 | 175 |
3.1%
|
|
| 1989 | 160 |
2.8%
|
|
| 1990 | 142 |
2.5%
|
|
| 1991 | 129 |
2.3%
|
|
| 1992 | 127 |
2.3%
|
|
| 1993 | 112 |
2%
|
|
| 1994 | 129 |
2.3%
|
|
| 1995 | 140 |
2.5%
|
|
| 1996 | 132 |
2.3%
|
|
| 1997 | 148 |
2.6%
|
|
| 1998 | 152 |
2.7%
|
|
| 1999 | 134 |
2.4%
|
|
| 2000 | 148 |
2.6%
|
|
| 2001 | 132 |
2.3%
|
|
| 2002 | 33 |
0.6%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't Know | 0 |
0%
|
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.