National Income Dynamics Study 2017, Wave 5 Secure Data
South Africa, 2017
Southern Africa Labour and Development Research Unit,
Created on
August 29, 2018
Last modified
August 29, 2018
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Metadata
xml (ddi standard)
json
Best date of birth (year) (w5_best_dob_y)
Data file: indderived_w5_secure_v1.0.0
Overview
Valid:
47055
Invalid:
0
Type:
discrete
Decimal:
0
loc_width:
4
var_range:
1906 - 9999
var_format:
numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1906 | 1 |
0%
|
|
| 1907 | 1 |
0%
|
|
| 1910 | 1 |
0%
|
|
| 1912 | 1 |
0%
|
|
| 1913 | 1 |
0%
|
|
| 1914 | 1 |
0%
|
|
| 1916 | 1 |
0%
|
|
| 1917 | 3 |
0%
|
|
| 1918 | 7 |
0%
|
|
| 1919 | 5 |
0%
|
|
| 1920 | 13 |
0%
|
|
| 1921 | 6 |
0%
|
|
| 1922 | 8 |
0%
|
|
| 1923 | 6 |
0%
|
|
| 1924 | 13 |
0%
|
|
| 1925 | 15 |
0%
|
|
| 1926 | 23 |
0%
|
|
| 1927 | 21 |
0%
|
|
| 1928 | 24 |
0.1%
|
|
| 1929 | 26 |
0.1%
|
|
| 1930 | 72 |
0.2%
|
|
| 1931 | 37 |
0.1%
|
|
| 1932 | 52 |
0.1%
|
|
| 1933 | 49 |
0.1%
|
|
| 1934 | 58 |
0.1%
|
|
| 1935 | 74 |
0.2%
|
|
| 1936 | 69 |
0.1%
|
|
| 1937 | 70 |
0.1%
|
|
| 1938 | 93 |
0.2%
|
|
| 1939 | 113 |
0.2%
|
|
| 1940 | 163 |
0.3%
|
|
| 1941 | 117 |
0.2%
|
|
| 1942 | 132 |
0.3%
|
|
| 1943 | 116 |
0.2%
|
|
| 1944 | 142 |
0.3%
|
|
| 1945 | 143 |
0.3%
|
|
| 1946 | 171 |
0.4%
|
|
| 1947 | 177 |
0.4%
|
|
| 1948 | 203 |
0.4%
|
|
| 1949 | 195 |
0.4%
|
|
| 1950 | 256 |
0.5%
|
|
| 1951 | 229 |
0.5%
|
|
| 1952 | 297 |
0.6%
|
|
| 1953 | 273 |
0.6%
|
|
| 1954 | 300 |
0.6%
|
|
| 1955 | 262 |
0.6%
|
|
| 1956 | 357 |
0.8%
|
|
| 1957 | 340 |
0.7%
|
|
| 1958 | 345 |
0.7%
|
|
| 1959 | 330 |
0.7%
|
|
| 1960 | 386 |
0.8%
|
|
| 1961 | 325 |
0.7%
|
|
| 1962 | 416 |
0.9%
|
|
| 1963 | 404 |
0.9%
|
|
| 1964 | 440 |
0.9%
|
|
| 1965 | 413 |
0.9%
|
|
| 1966 | 367 |
0.8%
|
|
| 1967 | 366 |
0.8%
|
|
| 1968 | 427 |
0.9%
|
|
| 1969 | 459 |
1%
|
|
| 1970 | 411 |
0.9%
|
|
| 1971 | 397 |
0.8%
|
|
| 1972 | 471 |
1%
|
|
| 1973 | 457 |
1%
|
|
| 1974 | 442 |
0.9%
|
|
| 1975 | 508 |
1.1%
|
|
| 1976 | 478 |
1%
|
|
| 1977 | 471 |
1%
|
|
| 1978 | 488 |
1%
|
|
| 1979 | 518 |
1.1%
|
|
| 1980 | 552 |
1.2%
|
|
| 1981 | 517 |
1.1%
|
|
| 1982 | 666 |
1.4%
|
|
| 1983 | 677 |
1.4%
|
|
| 1984 | 694 |
1.5%
|
|
| 1985 | 759 |
1.6%
|
|
| 1986 | 764 |
1.6%
|
|
| 1987 | 748 |
1.6%
|
|
| 1988 | 807 |
1.7%
|
|
| 1989 | 783 |
1.7%
|
|
| 1990 | 876 |
1.9%
|
|
| 1991 | 842 |
1.8%
|
|
| 1992 | 807 |
1.7%
|
|
| 1993 | 860 |
1.8%
|
|
| 1994 | 895 |
1.9%
|
|
| 1995 | 867 |
1.8%
|
|
| 1996 | 934 |
2%
|
|
| 1997 | 929 |
2%
|
|
| 1998 | 875 |
1.9%
|
|
| 1999 | 908 |
1.9%
|
|
| 2000 | 962 |
2%
|
|
| 2001 | 918 |
2%
|
|
| 2002 | 854 |
1.8%
|
|
| 2003 | 962 |
2%
|
|
| 2004 | 989 |
2.1%
|
|
| 2005 | 1004 |
2.1%
|
|
| 2006 | 1055 |
2.2%
|
|
| 2007 | 1085 |
2.3%
|
|
| 2008 | 1103 |
2.3%
|
|
| 2009 | 1037 |
2.2%
|
|
| 2010 | 1032 |
2.2%
|
|
| 2011 | 1020 |
2.2%
|
|
| 2012 | 968 |
2.1%
|
|
| 2013 | 983 |
2.1%
|
|
| 2014 | 1019 |
2.2%
|
|
| 2015 | 948 |
2%
|
|
| 2016 | 867 |
1.8%
|
|
| 2017 | 351 |
0.7%
|
|
| 3333 | Missing | 2 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 80 |
0.2%
|
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.