National Income Dynamics Study - Coronavirus Rapid Mobile Survey 2020, Wave 2
South Africa, 2020
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Reference ID
zaf-saldru-nids-cram-2020-w2-v3.0.0
Producer(s)
Nic Spaull - Ronelle Burger - Rulof Burger - David Carel - Reza Daniels - Nwabisa Makaluza - Dorrit Posel - Vimal Ranchhod - Servaas van der Berg - Gabrielle Wills
Metadata
Created on
Sep 16, 2020
Last modified
Aug 05, 2021
Page views
44349
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a8_y - Date of birth (year) (w2_nc_dob_y)
Data file: NIDS-CRAM_Wave2_Anon_V3.0.0
Overview
Valid:
5676
Invalid:
1375
Type:
Discrete
Decimal:
0
loc_start_pos:
60
loc_end_pos:
63
Width:
4
Range:
1918 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1918 | 1 |
0%
|
|
| 1928 | 1 |
0%
|
|
| 1929 | 1 |
0%
|
|
| 1930 | 2 |
0%
|
|
| 1931 | 1 |
0%
|
|
| 1932 | 7 |
0.1%
|
|
| 1933 | 3 |
0.1%
|
|
| 1934 | 6 |
0.1%
|
|
| 1935 | 5 |
0.1%
|
|
| 1936 | 7 |
0.1%
|
|
| 1937 | 8 |
0.1%
|
|
| 1938 | 8 |
0.1%
|
|
| 1939 | 8 |
0.1%
|
|
| 1940 | 11 |
0.2%
|
|
| 1941 | 11 |
0.2%
|
|
| 1942 | 19 |
0.3%
|
|
| 1943 | 19 |
0.3%
|
|
| 1944 | 22 |
0.4%
|
|
| 1945 | 15 |
0.3%
|
|
| 1946 | 23 |
0.4%
|
|
| 1947 | 27 |
0.5%
|
|
| 1948 | 22 |
0.4%
|
|
| 1949 | 25 |
0.4%
|
|
| 1950 | 26 |
0.5%
|
|
| 1951 | 35 |
0.6%
|
|
| 1952 | 42 |
0.7%
|
|
| 1953 | 35 |
0.6%
|
|
| 1954 | 45 |
0.8%
|
|
| 1955 | 43 |
0.8%
|
|
| 1956 | 42 |
0.7%
|
|
| 1957 | 49 |
0.9%
|
|
| 1958 | 38 |
0.7%
|
|
| 1959 | 33 |
0.6%
|
|
| 1960 | 53 |
0.9%
|
|
| 1961 | 42 |
0.7%
|
|
| 1962 | 72 |
1.3%
|
|
| 1963 | 55 |
1%
|
|
| 1964 | 46 |
0.8%
|
|
| 1965 | 51 |
0.9%
|
|
| 1966 | 51 |
0.9%
|
|
| 1967 | 48 |
0.8%
|
|
| 1968 | 53 |
0.9%
|
|
| 1969 | 96 |
1.7%
|
|
| 1970 | 93 |
1.6%
|
|
| 1971 | 105 |
1.8%
|
|
| 1972 | 115 |
2%
|
|
| 1973 | 98 |
1.7%
|
|
| 1974 | 122 |
2.1%
|
|
| 1975 | 138 |
2.4%
|
|
| 1976 | 104 |
1.8%
|
|
| 1977 | 121 |
2.1%
|
|
| 1978 | 121 |
2.1%
|
|
| 1979 | 119 |
2.1%
|
|
| 1980 | 145 |
2.6%
|
|
| 1981 | 116 |
2%
|
|
| 1982 | 150 |
2.6%
|
|
| 1983 | 153 |
2.7%
|
|
| 1984 | 158 |
2.8%
|
|
| 1985 | 175 |
3.1%
|
|
| 1986 | 160 |
2.8%
|
|
| 1987 | 186 |
3.3%
|
|
| 1988 | 187 |
3.3%
|
|
| 1989 | 165 |
2.9%
|
|
| 1990 | 143 |
2.5%
|
|
| 1991 | 123 |
2.2%
|
|
| 1992 | 111 |
2%
|
|
| 1993 | 98 |
1.7%
|
|
| 1994 | 124 |
2.2%
|
|
| 1995 | 129 |
2.3%
|
|
| 1996 | 124 |
2.2%
|
|
| 1997 | 124 |
2.2%
|
|
| 1998 | 129 |
2.3%
|
|
| 1999 | 124 |
2.2%
|
|
| 2000 | 139 |
2.4%
|
|
| 2001 | 131 |
2.3%
|
|
| 2002 | 26 |
0.5%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not applicable | 0 |
0%
|
| 8888 | Refused | 17 |
0.3%
|
| 9999 | Don't know | 196 |
3.5%
|
| Sysmiss | 1375 |
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.