Preface to the Second Edition
The Essay on the Principle of Population, which I published in 1798, was suggested, as is expressed in the preface, by a paper in Mr. Godwin’s Inquirer. It was written on the impulse of the occasion, and from the few materials which were then within my reach in a country situation. The only authors from whose writings I had deduced the principle, which formed the main argument of the Essay, were Hume, Wallace, Adam Smith, and Dr. Price; and my object was to apply it, to try the truth of those speculations on the perfectibility of man and society, which at that time excited a considerable portion of the public attention.
In the course of the discussion I was naturally led into some examination of the effects of this principle on the existing state of society. It appeared to account for much of that poverty and misery observable among the lower classes of people in every nation, and for those reiterated failures in the efforts of the higher classes to relieve them. The more I considered the subject in this point of view, the more importance it seemed to acquire; and this consideration, joined to the degree of public attention which the Essay excited, determined me to turn my leisure reading towards an historical examination of the effects of the principle of population on the past and present state of society; that, by illustrating the subject more generally, and drawing those inferences from it, in application to the actual state of things, which experience seemed to warrant, I might give it a more practical and permanent interest.
In the course of this inquiry I found that much more had been done than I had been aware of, when I first published the Essay. The poverty and misery arising from a too rapid increase of population had been distinctly seen, and the most violent remedies proposed, so long ago as the times of Plato and Aristotle. And of late years the subject has been treated in such a manner by some of the French Economists; occasionally by Montesquieu, and, among our own writers, by Dr. Franklin, Sir James Stewart, Mr. Arthur Young, and Mr. Townsend, as to create a natural surprise that it had not excited more of the public attention.
Much, however, remained yet to be done. Independently of the comparison between the increase of population and food, which had not perhaps been stated with sufficient force and precision, some of the most curious and interesting parts of the subject had been either wholly omitted or treated very slightly. Though it had been stated distinctly, that population must always be kept down to the level of the means of subsistence; yet few inquiries had been made into the various modes by which this level is effected; and the principle had never been sufficiently pursued to its consequences, nor had those practical inferences drawn from it, which a strict examination of its effects on society appears to suggest.
These therefore are the points which I have treated most in detail in the following Essay. In its present shape it may be considered as a new work, and I should probably have published it as such, omitting the few parts of the former which I have retained, but that I wished it to form a whole of itself, and not to need a continual reference to the other. On this account I trust that no apology is necessary to the purchasers of the first edition.
To those who either understood the subject before, or saw it distinctly on the perusal of the first edition, I am fearful that I shall appear to have treated some parts of it too much in detail, and to have been guilty of unnecessary repetitions. These faults have arisen partly from want of skill, and partly from intention. In drawing similar inferences from the state of society in a number of different countries, I found it very difficult to avoid some repetitions; and in those parts of the inquiry which led to conclusions different from our usual habits of thinking, it appeared to me that, with the slightest hope of producing conviction, it was necessary to present them to the reader’s mind at different times, and on different occasions. I was willing to sacrifice all pretensions to merit of composition, to the chance of making an impression on a larger class of readers.
The main principle advanced is so incontrovertible, that, if I had confined myself merely to general views, I could have intrenched myself in an impregnable fortress; and the work, in this form, would probably have had a much more masterly air. But such general views, though they may advance the cause of abstract truth, rarely tend to promote any practical good; and I thought that I should not do justice to the subject, and bring it fairly under discussion, if I refused to consider any of the consequences which appeared necessarily to flow from it, whatever these consequences might be. By pursuing this plan, however, I am aware that I have opened a door to many objections, and, probably, to much severity of criticism: but I console myself with the refection, that even the errors into which I may have fallen, by affording a handle to argument, and an additional excitement to examination, may be subservient to the important end of bringing a subject so nearly connected with the happiness of society into more general notice.
Throughout the whole of the present work I have so far differed in principle from the former, as to suppose the action of another check to population which does not come under the head either of vice or misery; and, in the latter part I have endeavoured to soften some of the harshest conclusions of the first Essay. In doing this, I hope that I have not violated the principles of just reasoning; nor expressed any opinion respecting the probable improvement of society, in which I am not borne out by the experience of the past. To those who still think that any check to population whatever would be worse than the evils which it would relieve, the conclusions of the former Essay will remain in full force; and if we adopt this opinion we shall be compelled to acknowledge, that the poverty and misery which prevail among the lower classes of society are absolutely irremediable.
I have taken as much pains as I could to avoid any errors in the facts and calculations which have been produced in the course of the work. Should any of them nevertheless turn out to be false, the reader will see that they will not materially affect the general scope of the reasoning.
From the crowd of materials which presented themselves, in illustration of the first branch of the subject, I dare not flatter myself that I have selected the best, or arranged them in the most perspicuous method. To those who take an interest in moral and political questions, I hope that the novelty and importance of the subject will compensate the imperfections of its execution.
London, June 8, 1803.
Preface to the Fifth Edition
This Essay was first published at a period of extensive warfare, combined, from peculiar circumstances, with a most prosperous foreign commerce.
It came before the public, therefore, at a time when there would be an extraordinary demand for men, and very little disposition to suppose the possibility of any evil arising from the redundancy of population. Its success, under these disadvantages, was greater than could have been reasonably expected; and it may be presumed that it will not lose its interest, after a period of a different description has succeeded, which has in the most marked manner illustrated its principles, and confirmed its conclusions.
On account, therefore, of the nature of the subject, which, it must be allowed is one of permanent interest, as well as of the attention likely to be directed to it in future, I am bound to correct those errors of my work, of which subsequent experience and information may have convinced me, and to make such additions and alterations as appear calculated to improve it, and promote its utility.
It would have been easy to have added many further historical illustrations of the first part of the subject; but as I was unable to supply the want I once alluded to, of accounts of sufficient accuracy to ascertain what part of the natural power of increase each particular check destroys, it appeared to me that the conclusion which I had before drawn from very ample evidence of the only kind that could be obtained, would hardly receive much additional force by the accumulation of more, precisely of the same description.
In the two first books, therefore, the only additions are a new chapter on France, and one on England, chiefly in reference to facts which have occurred since the publication of the last edition.
In the third book I have given an additional chapter on the Poor-Laws; and as it appeared to me that the chapters on the Agricultural and Commercial Systems, and the Effects of increasing Wealth on the Poor, were not either so well arranged, or so immediately applicable to the main subject, as they ought to be; and as I further wished to make some alterations in the chapter on Bounties upon Exportation, and add something on the subject of Restrictions upon Importation, I have recast and rewritten the chapters which stand the 8th, 9th, 10th, 11th, 12th, 13th, in the present edition; and given a new title, and added two or three passages, to the 14th and last chapter of the same book.
In the fourth book I have added a new chapter to the one entitled
Effects of the Knowledge of the principal Cause of Poverty on Civil Liberty; and another to the chapter on the
Different Plans of improving the Poor; and I have made a considerable addition to the Appendix, in reply to some writers on the Principles of Population, whose works have appeared since the last edition.
These are the principal additions and alterations made in the present edition. They consist, in a considerable degree, of the application of the general principles of the Essay to the present state of things.
For the accommodation of the purchasers of the former editions, these additions and alterations will be published in a separate volume.
East-India College,
June 7th, 1817.
ADVERTISEMENT TO THE SIXTH EDITION.
Jan. 2d, 1826.
The additions to the present edition chiefly consist of some further documents and inferences relating to the state of the population in those countries, in which fresh enumerations, and registers of births, deaths and marriages, have appeared since the publication of my last edition in 1817. They refer principally to England, France, Sweden, Russia, Prussia, and America, and will be found in the chapters which treat of the population of these countries. In the chapter on the Fruitfulness of Marriages an additional table has been given, (vol. i. p. 498.) which, from the per centage increase of population in the interval between those decennial enumerations which are now taking place in some countries, shews the period of their doubling, or the rate at which they are increasing. At the end of the Appendix my reasons for not replying to the late publication of Mr. Godwin are shortly stated. In other parts of the work some inconsiderable alterations and corrections have been made which it is unnecessary to specify; and a few notes have been added, the principal of which is one on the variations in the price of corn in Holland under a free trade, and the error of supposing that the scarcity of one country is generally counterbalanced by the plenty of some other.—Vol. ii. p. 207.
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Franklin’s Miscell. p. 9.
It appears, from some recent calculations and estimates, that from the first settlement of America, to the year 1800, the periods of doubling have been but very little above twenty years. See a note on the increase of American population in Book ii. chap. xi.
Price’s Observ. on Revers. Pay. vol. i. p. 274. 4th edit.
See this table at the end of chap. iv. book ii.
Polit. Arith. p. 14.
Book I, Chapter II.
It will be observed, that I here use the term
moral in its most confined sense. By moral restraint I would be understood to mean a restraint from marriage, from prudential motives, with a conduct strictly moral during the period of this restraint; and I have never intentionally deviated from this sense. When I have wished to consider the restraint from marriage unconnected with its consequences, I have either called it prudential restraint, or a part of the preventive check, of which indeed it forms the principal branch.
In my review of the different stages of society, I have been accused of not allowing sufficient weight in the prevention of population to moral restraint; but when the confined sense of the term, which I have here explained, is adverted to, I am fearful that I shall not be found to have erred much in this respect. I should be very glad to believe myself mistaken.
As the general consequence of vice is misery, and as this consequence is the precise reason why an action is termed vicious, it may appear that the term misery alone would be here sufficient, and that it is superfluous to use both. But the rejection of the term vice would introduce a considerable confusion into our language and ideas. We want it particularly to distinguish those actions, the general tendency of which is to produce misery, and which are therefore prohibited by the commands of the Creator, and the precepts of the moralist, although, in their immediate or individual effects, they may produce perhaps exactly the contrary. The gratification of all our passions in its immediate effect is happiness, not misery; and, in individual instances, even the remote consequences (at least in this life) may possibly come under the same denomination. There may have been some irregular connexions with women, which have added to the happiness of both parties, and have injured no one. These individual actions, therefore, cannot come under the head of misery. But they are still evidently vicious, because an action is so denominated, which violates an express precept, founded upon its general tendency to produce misery, whatever may be its individual effect; and no person can doubt the general tendency of an illicit intercuorse between the sexes, to injure the happiness of society.
The judicious questions which Sir John Sinclair circulated in Scotland, and the valuable accounts which he has collected in that part of the island, do him the highest honour; and these accounts will ever remain an extraordinary monument of the learning, good sense, and general information of the clergy of Scotland. It is to be regretted that the adjoining parishes are not put together in the work, which would have assisted the memory both in attaining and recollecting the state of particular districts. The repetitions and contradictory opinions which occur are not in my opinion so objectionable; as, to the result of such testimony, more faith may be given than we could possibly give to the testimony of any individual. Even were this result drawn for us by some master hand, though much valuable time would undoubtedly be saved, the information would not be so satisfactory. If, with a few subordinate improvements, this work had contained accurate and complete registers for the last 150 years, it would have been inestimable, and would have exhibited a better picture of the internal state of a country than has yet been presented to the world. But this last most essential improvement no diligence could have effected.
If the new labourers thrown yearly into the market should find no employment but in agriculture, their competition might so lower the money-price of labour, as to prevent the increase of population from occasioning an effective demand for more corn; or, in other words, if the landlords and farmers could get nothing but an additional quantity of agricultural labour in exchange for any additional produce which they could raise, they might not be tempted to raise it.
Sir James Stuart very justly compares the generative faculty to a spring loaded with a variable weight, (Polit. Econ. vol. i. b. i. c. 4. p. 20.) which would of course produce exactly that kind of oscillation which has been mentioned. In the first book of his Political Economy, he has explained many parts of the subject of population very ably.
I have expressed myself in this cautious manner, because I believe there are some instances, where population does not keep up to the level of the means of subsistence. But these are extreme cases; and, generally speaking, it might be said, that,
2. Population always increases where the means of subsistence increase.
3. The checks which repress the superior power of population, and keep its effects on a level with the means of subsistence, are all resolvable into moral restraint, vice and misery.
It should be observed, that, by an increase in the means of subsistence, is here meant such an increase as will enable the mass of the society to command more food. An increase might certainly take place, which in the actual state of a particular society would not be distributed to the lower classes, and consequently would give no stimulus to population.
Book I, Chapter III.
Cook’s First Voy. vol. ii. p. 59.
Cook’s Second Voy. vol. ii. p. 187.
Vancouver’s Voy., vol. ii. b. iii. c. i. p. 13.
Symes’s Embassy to Ava, ch. i. p. 129, and Asiatic Researches, vol. iv. p. 401.
Cook’s First Voy. vol. iii. p. 240.
Collins’s Account of New South Wales, Appendix, p. 549. 4to.
Collins’s Account of New South Wales, Appendix, p. 558.
Collins’s New South Wales, Appen. p. 559.
Collins’s New South Wales, Appen. note, p. 562.
Collins’s New South Wales, Appen. p. 607.
See generally, the Appendix to Collins’s Account of the English Colony in New South Wales.
Collins’s New South Wales, Appendix, p. 597.
Collins’s New South Wales, Appendix, p. 598.
Id. c. iii. p. 34, and Appen. p. 551. .