National Income Dynamics Study 2008, Wave 1 Secure Data
South Africa, 2008
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Reference ID
zaf-saldru-nidssd-2008-v7.0.0
Producer(s)
Southern Africa Labour and Development Research Unit
Collections
Created on
Aug 24, 2018
Last modified
Oct 18, 2023
Page views
250570
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b1 - Date of birth (year) (w1_a_dob_y)
Data file: Adult_W1_Secure_V7.0.0
Overview
Valid:
15631
Invalid:
1241
Type:
Discrete
Decimal:
0
loc_start_pos:
170
loc_end_pos:
173
Width:
4
Range:
1902 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1902 | 1 |
0%
|
|
| 1906 | 1 |
0%
|
|
| 1907 | 1 |
0%
|
|
| 1908 | 2 |
0%
|
|
| 1910 | 7 |
0%
|
|
| 1912 | 4 |
0%
|
|
| 1914 | 7 |
0%
|
|
| 1915 | 2 |
0%
|
|
| 1916 | 1 |
0%
|
|
| 1917 | 6 |
0%
|
|
| 1918 | 12 |
0.1%
|
|
| 1919 | 7 |
0%
|
|
| 1920 | 18 |
0.1%
|
|
| 1921 | 11 |
0.1%
|
|
| 1922 | 14 |
0.1%
|
|
| 1923 | 10 |
0.1%
|
|
| 1924 | 17 |
0.1%
|
|
| 1925 | 30 |
0.2%
|
|
| 1926 | 40 |
0.3%
|
|
| 1927 | 33 |
0.2%
|
|
| 1928 | 41 |
0.3%
|
|
| 1929 | 45 |
0.3%
|
|
| 1930 | 83 |
0.5%
|
|
| 1931 | 59 |
0.4%
|
|
| 1932 | 67 |
0.4%
|
|
| 1933 | 74 |
0.5%
|
|
| 1934 | 72 |
0.5%
|
|
| 1935 | 75 |
0.5%
|
|
| 1936 | 76 |
0.5%
|
|
| 1937 | 71 |
0.5%
|
|
| 1938 | 106 |
0.7%
|
|
| 1939 | 122 |
0.8%
|
|
| 1940 | 178 |
1.1%
|
|
| 1941 | 99 |
0.6%
|
|
| 1942 | 105 |
0.7%
|
|
| 1943 | 114 |
0.7%
|
|
| 1944 | 124 |
0.8%
|
|
| 1945 | 121 |
0.8%
|
|
| 1946 | 130 |
0.8%
|
|
| 1947 | 144 |
0.9%
|
|
| 1948 | 175 |
1.1%
|
|
| 1949 | 137 |
0.9%
|
|
| 1950 | 185 |
1.2%
|
|
| 1951 | 156 |
1%
|
|
| 1952 | 218 |
1.4%
|
|
| 1953 | 204 |
1.3%
|
|
| 1954 | 194 |
1.2%
|
|
| 1955 | 180 |
1.2%
|
|
| 1956 | 232 |
1.5%
|
|
| 1957 | 218 |
1.4%
|
|
| 1958 | 221 |
1.4%
|
|
| 1959 | 199 |
1.3%
|
|
| 1960 | 256 |
1.6%
|
|
| 1961 | 220 |
1.4%
|
|
| 1962 | 256 |
1.6%
|
|
| 1963 | 249 |
1.6%
|
|
| 1964 | 268 |
1.7%
|
|
| 1965 | 270 |
1.7%
|
|
| 1966 | 235 |
1.5%
|
|
| 1967 | 242 |
1.5%
|
|
| 1968 | 241 |
1.5%
|
|
| 1969 | 276 |
1.8%
|
|
| 1970 | 267 |
1.7%
|
|
| 1971 | 238 |
1.5%
|
|
| 1972 | 307 |
2%
|
|
| 1973 | 265 |
1.7%
|
|
| 1974 | 250 |
1.6%
|
|
| 1975 | 316 |
2%
|
|
| 1976 | 280 |
1.8%
|
|
| 1977 | 287 |
1.8%
|
|
| 1978 | 252 |
1.6%
|
|
| 1979 | 317 |
2%
|
|
| 1980 | 311 |
2%
|
|
| 1981 | 294 |
1.9%
|
|
| 1982 | 353 |
2.3%
|
|
| 1983 | 375 |
2.4%
|
|
| 1984 | 379 |
2.4%
|
|
| 1985 | 400 |
2.6%
|
|
| 1986 | 434 |
2.8%
|
|
| 1987 | 428 |
2.7%
|
|
| 1988 | 523 |
3.3%
|
|
| 1989 | 494 |
3.2%
|
|
| 1990 | 551 |
3.5%
|
|
| 1991 | 571 |
3.7%
|
|
| 1992 | 533 |
3.4%
|
|
| 1993 | 211 |
1.3%
|
|
| 1994 | 3 |
0%
|
|
| 1995 | 1 |
0%
|
|
| 3333 | Missing | 6 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 7777 | Never Moved | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 23 |
0.1%
|
| Sysmiss | 1241 |
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.