• Summary
• Downloads
• Explanatory Notes
• Related Information
• Past Releases

Standard Errors

The following tables should be used in estimating standard errors for estimates in this publication, in line with the formula presented in the Technical Note.

T1 STANDARD ERRORS OF PERSON ESTIMATES
	STANDARD ERROR									RELATIVE STANDARD ERROR
	NSW	Vic.	Qld.	SA	WA	Tas.	NT	ACT	Aust.	Aust.
Size of Estimate	no.	no.	no.	no.	no.	no.	no.	no.	no.	%
100	130	160	160	180	140	120	110	140	120	120.0
200	210	250	250	250	220	170	170	190	200	100.0
300	290	320	310	310	280	210	220	230	260	86.7
500	410	440	430	390	370	270	290	290	370	74.0
700	510	540	520	460	440	320	350	330	460	65.7
1,000	650	660	630	540	520	380	420	390	570	57.0
1,500	840	820	780	650	640	450	500	450	740	49.3
2,000	1,000	960	900	730	730	510	560	500	870	43.5
2,500	1,150	1,100	1,000	800	800	550	600	550	1,000	40.0
3,000	1,250	1,200	1,100	850	850	600	650	600	1,100	36.7
3,500	1,400	1,300	1,200	900	950	650	700	600	1,200	34.3
4,000	1,500	1,400	1,250	950	1,000	650	700	650	1,300	32.5
5,000	1,700	1,550	1,400	1,050	1,100	700	750	700	1,500	30.0
7,000	2,050	1,800	1,650	1,200	1,250	800	850	750	1,800	25.7
10,000	2,450	2,150	1,900	1,400	1,400	900	900	850	2,150	21.5
15,000	3,000	2,600	2,300	1,600	1,650	1,000	1,000	950	2,650	17.7
20,000	3,500	2,950	2,550	1,750	1,800	1,100	1,050	1,050	3,050	15.3
30,000	4,200	3,500	3,000	2,050	2,050	1,200	1,100	1,150	3,700	12.3
40,000	4,750	3,900	3,350	2,250	2,200	1,300	1,100	1,250	4,250	10.6
50,000	5,250	4,300	3,600	2,400	2,350	1,350	1,150	1,300	4,700	9.4
100,000	6,950	5,550	4,550	2,950	2,800	1,550	1,150	1,500	6,300	6.3
150,000	8,100	6,450	5,150	3,350	3,100	1,650	1,100	1,650	7,450	5.0
200,000	9,000	7,100	5,600	3,600	3,250	1,700	1,100	1,700	8,300	4.2
300,000	10,350	8,100	6,250	4,050	3,550	1,800	. .	1,850	9,650	3.2
500,000	12,100	9,450	7,100	4,600	3,850	1,850	. .	. .	11,600	2.3
1,000,000	14,700	11,450	8,250	5,400	4,150	. .	. .	. .	14,500	1.5
2,000,000	17,400	13,600	9,400	6,200	4,450	. .	. .	. .	17,750	0.9
5,000,000	20,800	16,550	10,700	. .	. .	. .	. .	. .	22,450	0.4
10,000,000	23,100	. .	. .	. .	. .	. .	. .	. .	26,150	0.3
15,000,000	. .	. .	. .	. .	. .	. .	. .	. .	28,250	0.2
20,000,000	. .	. .	. .	. .	. .	. .	. .	. .	29,740	0.1
. . not applicable

T2 STANDARD ERRORS OF FAMILY AND HOUSEHOLD ESTIMATES
	STANDARD ERROR									RELATIVE STANDARD ERROR
	NSW	Vic.	Qld	SA	WA	Tas.	NT	ACT	Aust.	Aust.
Size of Estimate	no.	no.	no.	no.	no.	no.	no.	no.	no.	%
100	140	120	110	140	130	100	80	110	100	100.0
200	230	200	190	210	200	150	140	160	170	85.0
300	310	270	260	270	260	190	190	200	230	76.7
500	430	380	370	350	340	260	260	250	320	64.0
700	530	470	460	420	410	300	310	290	410	58.6
1,000	660	580	570	500	500	360	380	340	510	51.0
1,500	840	730	720	590	610	420	450	400	660	44.0
2,000	980	860	840	670	690	470	510	440	780	39.0
2,500	1,100	950	950	750	750	500	550	500	900	36.0
3,000	1,200	1,050	1,050	800	850	550	600	500	1,000	33.3
3,500	1,300	1,150	1,150	850	900	550	600	550	1,050	30.0
4,000	1,400	1,250	1,200	900	950	600	650	550	1,150	28.8
5,000	1,600	1,350	1,350	950	1,000	650	700	600	1,300	26.0
7,000	1,850	1,600	1,550	1,050	1,150	700	750	650	1,550	22.1
10,000	2,150	1,900	1,800	1,200	1,350	750	800	700	1,850	18.5
15,000	2,600	2,200	2,100	1,350	1,500	800	850	750	2,250	15.0
20,000	2,900	2,500	2,300	1,450	1,650	850	850	800	2,550	12.8
30,000	3,350	2,850	2,650	1,550	1,850	850	850	850	3,050	10.2
40,000	3,750	3,150	2,900	1,650	2,000	900	850	900	3,450	8.6
50,000	4,000	3,400	3,050	1,750	2,150	900	850	900	3,750	7.5
100,000	4,950	4,100	3,600	1,950	2,500	900	750	950	4,850	4.9
150,000	5,550	4,550	3,900	2,050	2,650	850	700	950	5,550	3.7
200,000	5,950	4,850	4,050	2,100	2,800	850	650	950	6,050	3.0
300,000	6,500	5,200	4,250	2,150	2,950	800	. .	950	6,800	2.3
500,000	7,150	5,650	4,450	2,150	3,100	700	. .	. .	7,750	1.6
1,000,000	7,950	6,100	4,550	2,150	3,250	. .	. .	. .	9,050	0.9
2,000,000	8,550	6,400	4,500	2,050	3,250	. .	. .	. .	10,300	0.5
5,000,000	8,950	6,400	4,150	. .	. .	. .	. .	. .	11,600	0.2
10,000,000	. .	. .	. .	. .	. .	. .	. .	. .	12,250	0.1
. . not applicable

T3 FACTORS FOR MEDIAN ESTIMATES
	NSW	Vic.	Qld	SA	WA	Tas.	NT	ACT	Aust.
Factors
Median income of parent in lone parent families with children aged 0-17	0.69	0.79	0.62	0.90	0.63	0.60	0.58	1.24	0.69
Median income of parents in couple families with children aged 0-17	0.79	0.92	0.99	0.92	0.83	1.19	0.86	0.82	0.98

T4 LEVELS AT WHICH ESTIMATES HAVE RELATIVE STANDARD ERRORS OF 25% AND 50%(a)
		NSW	Vic.	Qld	SA	WA	Tas.	NT	ACT	Aust.
		no.	no.	no.	no.	no.	no.	no.	no.	no.
25% RSE
	Median income of parent in lone parent families with children aged 0-17	3,860	3,821	2,242	2,754	1,571	753	753	2,291	2,351
	Median income of parents in couple families with children aged 0-17	4,953	5,163	5,479	2,847	2,589	2,384	1,595	1,197	5,216
50% RSE
	Median income of parent in lone parent families with children aged 0-17	816	812	391	809	367	164	73	738	347
	Median income of parents in couple families with children aged 0-17	1,115	1,191	1,321	841	672	740	366	344	1,002
(a) Refers to the number of families contributing to the estimate.