Mortality Statistics

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asked the Secretary of State for Social Services what was the number of actual deaths in each week from 1 January to 31 March each year since 1979, what was the expected number of deaths for each of those weeks based on historical experience, and what was the percentage difference between the two.

[pursuant to her reply, 21 January 1987, c. 623]: Monitoring of weekly deaths using the current method began in January 1983, and figures from that date are shown in the tables. I shall let the hon. Member have a further reply giving figures for the earlier years when the calculations have been completed. An explanation of the methods used to calculate the expected numbers of deaths is given in "Population Trends No 34",a copy of which is in the library.

Number of deaths at age 1 year and over registered each week (actual deaths), expected deaths based on experience of previous ten years and percentage differences week 1 to week 13 1983–1987 England and Wales Weekly deaths 1983—Aged 1 year and over
Week number	Week ending	Actual deaths (a)	Expected deaths (b)	Percentage difference¹
1²	January 7	13,237	12,541	5·55
2	January 14	13,744	13,882	-0·99
3	January 21	12,513	13,244	-5·52
4	January 28	12,522	12,982	-3·54
5	February 4	12,389	12,720	-2·60
6	February 11	13,601	12,556	0·36
7	February 18	13,435	12,868	4·41
8	February 25	13,737	13,212	3·97
9	March 4	13,966	13,240	5·48
10	March 11	13,117	13,026	0·70
11	March 18	12,051	12,652	-4·75
12	March 25	11,348	12,437	-8·76
13²	April 1	11,110	12,152	-8·57
¹ (a)-(b)/(b) x 100
² Because of Christmas, new year and easter, these weeks have been averaged.

Weekly deaths 1984—Aged 1 year and over
Week number	Week ending	Actual deaths (a)	Expected deaths (b)	Percentage difference¹
1²	January 6	11,909	12,542·3	- 5·05
2	January 13	12,184	13,883·6	- 12·24
3	January 20	12,106	13,244·8	-8·60
4	January 27	12,439	12,982·9	-4·19
5	February 3	12,205	12,721·3	-4·06
6	February 10	11,791	12,557·0	-6·10
7	February 17	11,488	12,869·1	-10·73
8	February 24	11,803	13,213·0	-10·67
9	March 2	12,203	13,241·1	-7·84
10	March 9	12,266	13,027·1	-5·84
11	March 16	11,749	12,652·8	-7·14
12	March 23	11,996	12,306·9	-2·53
13	March 30	12,211	12,341·8	-1·06
¹ (a)-(b)/(b) x 100
² Because of Christmas, new year and easter, these weeks have been averaged.

Weekly deaths 1985—Aged 1 year and over
Week number	Week ending	Actual deaths (a)	Expected deaths (b)	Percentage difference¹
1²	January 4	11,759	12,325·7	-4·60
2	January 11	13,578	13,698·7	-0·88
3	January 18	13,716	13,047·6	5·12
4	January 25	14,635	12,832·7	14·04
5	February 1	13,730	12,673·2	8·34
6	February 8	12,533	12,589·0	-0·44

Week number	Week ending	Actual deaths (a)	Expected deaths (b)	Percentage difference¹
7	February 15	12,890	13,012·0	-0·94
8	February 22	13,905	13,338·6	4·25
9	March 1	14,330	13,400·6	6·94
10	March 8	13,964	13,103·0	6·57
11	March 15	13,103	12,653·7	3·55
12	March 22	13,329	12,373·6	7·72
13	March 29	13,202	12,298·1	7·35
¹ (a)-(b)/(b) x 100
² Because of Christmas, new year and easter, these weeks have been averaged.

Weekly deaths 1986—Aged 1 year and over
Week number	Week ending	Actual deaths (a)	Expected deaths (b)	Percentage difference¹
1²	January 3	11,627	12,287·5	-5·38
2	January 10	14,368	13,597·6	5·67
3	January 17	13,700	12,981·6	5·53
4	January 24	13,411	12,903·9	3·93
5	January 31	12,986	12,724·2	2·06
6	February 7	12,915	12,588·1	2·60
7	February 14	13,551	12,911·7	4·95
8	February 21	14,612	13,284·6	9·99
9	February 28	14,773	13,424·5	10·05
10	March 7	15,555	13,072·8	18·99
11	March 14	13,698	12,510·1	9·50
12	March 21	12,855	12,226·0	5·14
13²	March 28	11,418	12,218·2	- 6·55
¹ (a)-(b)/(b) x 100
² Because of Christmas, new year and easter, these weeks have been averaged.

Weekly deaths 1987—Aged 1 year and over
Week number	Week ending	Actual deaths (a)	Expected deaths (b)	Percentage difference¹
1²	January 9	11,658	12,139·9	-3·97
¹ (a)-(b)/(b) x 100
² Because of Christmas, new year and easter, these weeks have been averaged.

Volume 111: debated on Wednesday 25 February 1987