Malthus, An Essay on the Principle of Population, 6th edition, Book II, Chapter XI Tables: Library of Economics and Liberty

Author:	Thomas Robert, Malthus (1766-1834)
Title:	An Essay on the Principle of Population: A View of its Past and Present Effects on Human Happiness; with an Inquiry into Our Prospects Respecting the Future Removal or Mitigation of the Evils which It Occasions
Published:	London: John Murray, 1826. Sixth edition.
First published: 1798. See also the First edition.
For downloads and more, see the Card Catalog.

T. Robert Malthus

If the proportion of deaths to births be as		Then the excess of the births will be	The proportion of the excess of the births, to the whole population, will be	And therefore the period of doubling will be
	11	277	1/360	250	years.
	12	555	1/180	125
	13	833	1/120	83	½
	14	1110	1/90	62	¾
	15	1388	1/72	50	¼
	16	1666	1/60	42
10:	17	1943	1/51	35	¾
	18	2221	1/45	31	2/3
	19	2499	1/40	28
	20	2777	1/36	25	3/10
	22	3332	1/30	21	1/6
	25	4165	1/24	17
	30	5554	1/18	12	4/5

The proportion of the excess of births above the deaths to the whole of the living.		Periods of doubling in years and ten thousandth parts.	The proportion of the excess of births above the deaths to the whole of the living.		Periods of doubling in years and ten thousandth parts.
	10	7.2722		110	76.5923
	11	7.9659		120	83.5230
	12	8.6595		130	90.4554
	13	9.3530		140	97.3868
1:	14	10.0465	1:	150	104.3183
	15	10.7400		160	111.2598
	16	111.2598		170	118.1813
	17	12.1266		180	125.1128
	18	12.8200		190	138.9757
	19	13.5133		200	138.9757

	21	14.9000		210	145.9072
	22	15.5932		220	152.8387
	23	16.2864		230	159.7702
	24	16.9797		240	166.7017
1:	25	17.6729	1:	250	173.6332
	26	18.3662		260	180.5647
	27	19.0594		270	187.4961
	28	19.7527		280	194.4275
	29	20.4458		290	201.3590
	30	21.1391		300	208.2905

	32	22.5255		310	215.2220
	34	23.9119		320	222.1535
	36	25.2983		330	229.0850
	38	26.6847		340	236.0164
1:	40	28.0711	1:	350	242.9479
	42	29.4574		360	249.8794
	44	30.8438		370	256.8109
	46	32.2302		380	263.7425
	48	43.6161		390	270.6740
	50	35.0029		400	277.6055

	55	38.4687		410	284.5370
	60	41.9345		420	291.4685
	65	45.4003		430	298.4000
	70	48.8661		440	305.3314
1:	75	52.3318	1:	450	312.2629
	80	55.7977		460	319.1943
	85	59.2634		470	326.1258
	90	62.7292		480	333.0573
	95	66.1950		490	339.9888
	100	69.6607		500	346.9202

			1:	1000	693.49.

I. Per centage increase in ten years.	II. Period of doubling.	I. Per centage increase in ten years.	II. Period of doubling.	I. Per centage increase in ten years.	II. Period of doubling.
1	696.60	16	46.70	30.5	26.03
1.5	465.55	16.5	45.38	31	25.67
2	350.02	17	44.14	31.5	25.31
2.5	280.70	17.5	42.98	32	24.96
3	234.49	18	41.87	32.5	24.63
3.5	201.48	18.5	40.83	33	24.30
4	176.73	19	39.84	33.5	23.99
4.5	157.47	19.5	38.91	34	23.68
5	142.06	20	38.01	34.5	23.38
5.5	129.46			35	23.09
6	118.95	20.5	37.17	35.5	22.81
6.5	110.06	21	36.36	36	22.54
7	102.44	21.5	35.59	36.5	22.27
7.5	95.84	22	34.85	37	22.01
8	90.06	22.5	34.15	37.5	21.76
8.5	84.96	23	33.48	38	21.52
9	80.43	23.5	32.83	38.5	21.28
9.5	76.37	24	32.22	39	21.04
10	72.72	24.5	31.63	39.5	20.82
		25	31.06	40	20.61
10.5	69.42	25.5	30.51
11	66.41	26	29.99	41	20.17
11.5	63.67	26.5	29.48	42	19.76
12	61.12	27	28.99	43	19.37
12.5	58.06	27.5	28.53	44	19.00
13	56.71	28	28.07	45	18.65
13.5	54.73	28.5	27.65	46	18.31
14	52.90	29	27.22	47	17.99
14.5	51.19	29.5	26.81	48	17.68
15	49.59	30	26.41	49	17.38
15.5	48.10			50	17.06

Annual Average.	Marriages.	Births.	Deaths.	Proportion of marriages to births.	Proportion of deaths to births.

5 yrs to 1697	5747	19715	14862	10 : 34	100 : 132
5 yrs—1702	6070	24112	14474	10 : 39	100: 165
6 yrs—1708	6082	26896	16430	10 : 44	100: 163

In 1709 &1710	a plague	number destroyed in 2 years.	247733

In 1711	12028	32522	10131	10:27	100: 320
In 1712	267	22970	10445	10 : 36	100 : 220

5 yrs to 1716	4968	21603	11984	10 : 43	100 : 180
5 yrs—1721	4324	21396	12039	10 : 49	100: 177
5 yrs-1726	4719	21452	12863	10 : 45	100: 166
5 yrs—1731	4808	29554	12825	10 : 42	100: 160
4 yrs—1735	5424	22692	15475	10 : 41	100: 146

In 1736	5280	21859	26371	Epidemic
In 1737	5765	18930	24480	years.

5 yrs to 1742	5582	22099	15255	10 : 39	100: 144
4 yrs—1746	5469	25275	15117	10 : 46	100: 167
5 yrs—1751	6423	28235	17272	10 : 43	100: 163
5 yrs—1756	5599	28892	19154	10: 50	100: 148

In the 16 yrs before the plague	95585	380516	245763	10 : 39	100 : 154

In 46 yrs after the plague	248777	1083872	690324	10 : 43	100 : 157

In 62 good yrs	344361	1464388	936087	10 : 43	100: 156
	936087

More born than died		528301

In the 2 plague years	5477	23977	247733

In all the 64 years including the plague	340838	1488365	1183820	10 : 42	100 : 125
In all the 64 years including the plague	1183820

More born than died.		304545

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