National Income Dynamics Study - Coronavirus Rapid Mobile Survey 2020, Wave 1
South Africa, 2020
Get MicrodataCreated on
Jan 16, 2021
Last modified
Jan 16, 2021
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Best date of birth (year) (w1_nc_best_dob_y)
Data file: derived_NIDS-CRAM_Wave1_Anon_V3.0.0.dta
Overview
Valid:
7073
Invalid:
-
Minimum:
1918
Maximum:
2002
Type:
Discrete
Decimal:
0
Start:
46
End:
49
Width:
4
Range:
1918 - 2002
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1918 | 2 |
0%
|
|
| 1920 | 1 |
0%
|
|
| 1921 | 1 |
0%
|
|
| 1922 | 1 |
0%
|
|
| 1923 | 1 |
0%
|
|
| 1925 | 1 |
0%
|
|
| 1927 | 1 |
0%
|
|
| 1928 | 4 |
0.1%
|
|
| 1929 | 2 |
0%
|
|
| 1930 | 7 |
0.1%
|
|
| 1931 | 1 |
0%
|
|
| 1932 | 11 |
0.2%
|
|
| 1933 | 5 |
0.1%
|
|
| 1934 | 11 |
0.2%
|
|
| 1935 | 11 |
0.2%
|
|
| 1936 | 13 |
0.2%
|
|
| 1937 | 9 |
0.1%
|
|
| 1938 | 12 |
0.2%
|
|
| 1939 | 17 |
0.2%
|
|
| 1940 | 22 |
0.3%
|
|
| 1941 | 18 |
0.3%
|
|
| 1942 | 26 |
0.4%
|
|
| 1943 | 24 |
0.3%
|
|
| 1944 | 37 |
0.5%
|
|
| 1945 | 22 |
0.3%
|
|
| 1946 | 34 |
0.5%
|
|
| 1947 | 40 |
0.6%
|
|
| 1948 | 43 |
0.6%
|
|
| 1949 | 44 |
0.6%
|
|
| 1950 | 39 |
0.6%
|
|
| 1951 | 50 |
0.7%
|
|
| 1952 | 53 |
0.7%
|
|
| 1953 | 46 |
0.7%
|
|
| 1954 | 62 |
0.9%
|
|
| 1955 | 57 |
0.8%
|
|
| 1956 | 58 |
0.8%
|
|
| 1957 | 62 |
0.9%
|
|
| 1958 | 55 |
0.8%
|
|
| 1959 | 48 |
0.7%
|
|
| 1960 | 62 |
0.9%
|
|
| 1961 | 49 |
0.7%
|
|
| 1962 | 88 |
1.2%
|
|
| 1963 | 71 |
1%
|
|
| 1964 | 63 |
0.9%
|
|
| 1965 | 65 |
0.9%
|
|
| 1966 | 57 |
0.8%
|
|
| 1967 | 66 |
0.9%
|
|
| 1968 | 63 |
0.9%
|
|
| 1969 | 124 |
1.8%
|
|
| 1970 | 121 |
1.7%
|
|
| 1971 | 126 |
1.8%
|
|
| 1972 | 152 |
2.1%
|
|
| 1973 | 132 |
1.9%
|
|
| 1974 | 149 |
2.1%
|
|
| 1975 | 166 |
2.3%
|
|
| 1976 | 138 |
2%
|
|
| 1977 | 156 |
2.2%
|
|
| 1978 | 159 |
2.2%
|
|
| 1979 | 147 |
2.1%
|
|
| 1980 | 183 |
2.6%
|
|
| 1981 | 157 |
2.2%
|
|
| 1982 | 187 |
2.6%
|
|
| 1983 | 199 |
2.8%
|
|
| 1984 | 201 |
2.8%
|
|
| 1985 | 227 |
3.2%
|
|
| 1986 | 218 |
3.1%
|
|
| 1987 | 241 |
3.4%
|
|
| 1988 | 239 |
3.4%
|
|
| 1989 | 218 |
3.1%
|
|
| 1990 | 173 |
2.4%
|
|
| 1991 | 153 |
2.2%
|
|
| 1992 | 136 |
1.9%
|
|
| 1993 | 125 |
1.8%
|
|
| 1994 | 153 |
2.2%
|
|
| 1995 | 166 |
2.3%
|
|
| 1996 | 157 |
2.2%
|
|
| 1997 | 173 |
2.4%
|
|
| 1998 | 158 |
2.2%
|
|
| 1999 | 152 |
2.1%
|
|
| 2000 | 166 |
2.3%
|
|
| 2001 | 157 |
2.2%
|
|
| 2002 | 29 |
0.4%
|
|
| 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.