National Income Dynamics Study 2012, Wave 3
South Africa, 2012
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Reference ID
zaf-saldru-nids-2012-v3.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Nov 24, 2013
Last modified
Jul 18, 2023
Page views
426791
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b1_y - Date of birth (year) (w3_a_dob_y)
Data file: Adult_W3_Anon_V3.0.0
Overview
Valid:
18689
Invalid:
3768
Type:
Discrete
Decimal:
0
Width:
4
Range:
1907 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1907 | 1 |
0%
|
|
| 1912 | 1 |
0%
|
|
| 1914 | 2 |
0%
|
|
| 1916 | 2 |
0%
|
|
| 1917 | 2 |
0%
|
|
| 1918 | 4 |
0%
|
|
| 1919 | 5 |
0%
|
|
| 1920 | 10 |
0%
|
|
| 1921 | 7 |
0%
|
|
| 1922 | 10 |
0%
|
|
| 1923 | 8 |
0%
|
|
| 1924 | 11 |
0%
|
|
| 1925 | 17 |
0.1%
|
|
| 1926 | 25 |
0.1%
|
|
| 1927 | 26 |
0.1%
|
|
| 1928 | 32 |
0.1%
|
|
| 1929 | 25 |
0.1%
|
|
| 1930 | 67 |
0.3%
|
|
| 1931 | 41 |
0.2%
|
|
| 1932 | 46 |
0.2%
|
|
| 1933 | 59 |
0.3%
|
|
| 1934 | 56 |
0.2%
|
|
| 1935 | 66 |
0.3%
|
|
| 1936 | 62 |
0.3%
|
|
| 1937 | 55 |
0.2%
|
|
| 1938 | 86 |
0.4%
|
|
| 1939 | 89 |
0.4%
|
|
| 1940 | 143 |
0.6%
|
|
| 1941 | 85 |
0.4%
|
|
| 1942 | 109 |
0.5%
|
|
| 1943 | 114 |
0.5%
|
|
| 1944 | 113 |
0.5%
|
|
| 1945 | 108 |
0.5%
|
|
| 1946 | 113 |
0.5%
|
|
| 1947 | 133 |
0.6%
|
|
| 1948 | 174 |
0.8%
|
|
| 1949 | 135 |
0.6%
|
|
| 1950 | 189 |
0.8%
|
|
| 1951 | 161 |
0.7%
|
|
| 1952 | 206 |
0.9%
|
|
| 1953 | 193 |
0.9%
|
|
| 1954 | 207 |
0.9%
|
|
| 1955 | 173 |
0.8%
|
|
| 1956 | 234 |
1%
|
|
| 1957 | 233 |
1%
|
|
| 1958 | 235 |
1%
|
|
| 1959 | 219 |
1%
|
|
| 1960 | 261 |
1.2%
|
|
| 1961 | 220 |
1%
|
|
| 1962 | 273 |
1.2%
|
|
| 1963 | 248 |
1.1%
|
|
| 1964 | 283 |
1.3%
|
|
| 1965 | 277 |
1.2%
|
|
| 1966 | 230 |
1%
|
|
| 1967 | 249 |
1.1%
|
|
| 1968 | 242 |
1.1%
|
|
| 1969 | 272 |
1.2%
|
|
| 1970 | 280 |
1.2%
|
|
| 1971 | 256 |
1.1%
|
|
| 1972 | 288 |
1.3%
|
|
| 1973 | 306 |
1.4%
|
|
| 1974 | 276 |
1.2%
|
|
| 1975 | 319 |
1.4%
|
|
| 1976 | 317 |
1.4%
|
|
| 1977 | 310 |
1.4%
|
|
| 1978 | 303 |
1.3%
|
|
| 1979 | 324 |
1.4%
|
|
| 1980 | 347 |
1.5%
|
|
| 1981 | 324 |
1.4%
|
|
| 1982 | 407 |
1.8%
|
|
| 1983 | 405 |
1.8%
|
|
| 1984 | 410 |
1.8%
|
|
| 1985 | 477 |
2.1%
|
|
| 1986 | 469 |
2.1%
|
|
| 1987 | 469 |
2.1%
|
|
| 1988 | 523 |
2.3%
|
|
| 1989 | 512 |
2.3%
|
|
| 1990 | 557 |
2.5%
|
|
| 1991 | 586 |
2.6%
|
|
| 1992 | 563 |
2.5%
|
|
| 1993 | 605 |
2.7%
|
|
| 1994 | 660 |
2.9%
|
|
| 1995 | 639 |
2.8%
|
|
| 1996 | 705 |
3.1%
|
|
| 1997 | 394 |
1.8%
|
|
| 1998 | 8 |
0%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 3 |
0%
|
| Sysmiss | 3768 |
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.