Front Page Titles (by Subject) CHAP. I.: Containing several Computations of the Wealth of the Kingdom. - The Economic Writings of Sir William Petty, vol. 1
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CHAP. I.: Containing several Computations of the Wealth of the Kingdom. - Sir William Petty, The Economic Writings of Sir William Petty, vol. 1 
The Economic Writings of Sir William Petty, together with The Observations upon Bills of Mortality, more probably by Captain John Graunt, ed. Charles Henry Hull (Cambridge University Press, 1899), 2 vols.
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Containing several Computations of the Wealth of the Kingdom.
1. THERE are of Men, Women, and Children, in England and Wales, about six Millions, whose Expence at 6l. 13s. 4d. per Annum, or near 4½d. per Diem, for Food, Housing, Cloaths, and all other necessaries, amount to 40 Millions, per Annum.
2. There are in England and Wales, of Acres of Land (worth 6 l. Is. 8d. per Acre1 , and 18 years purchase) 24 Millions, that is, which yields 8 Millions per Annum Rent, and which are worth 144 Millions to be sold.
3. There be 28000 Houses within the Liberties of the City of London, worth 15l. per Annum, and twelve years purchase (viz. which yields 420,000l. per Annum, and are worth 5,040,000l. ‖
There are without the Liberties, but within the Bills of Mortality ¼ more2 in number, perhaps not of greater value, viz. 5,040,000l.
4. There is in all England and Wales near ten times as many Chimneys as within the Liberties of London, as appears by the Returns; Whereof those within the Bills are ⅕1 of the whole.
5. ‘Tis probable, that the Housing of all the Cities and Market-Towns, are double in number to those of all London, though of no more worth.
6. ‘Tis also probable, that the Housing without the Cities and Towns, are more in number than those within (London excepted) but of no more value.
7. So as the Housing of England may be estimated worth 30 Millions2 ; and that if their values be estimated by Chimneys, those of London are worth 12d. per Chimney; those of the Suburbs 10d. other Cities and Market-Towns 6 d. and those without both, about 4d.
8. The Shipping of England, &c. is about 500,000 Tuns, which at 6 d. per Tun, including their Ordnance, Apparel3 , &c. is worth three Millions. ‖
9. The Stock of Cattel on the afore-mentioned millions of Land, and the Waste thereunto belonging, is worth ¼ of the said Land, viz. 36 millions comprehending Horses, Oxen, Sheep, Swine, Deer, Fisheries, Parks and Warrens.
10. The Coined Gold and Silver of the Kingdom, is scarce worth six millions.
11. The Wares, Merchandizes, and Utensils of Plate, and Furnitures, may be estimated at 31 millions to make1 the Ships and Money 40, and the whole 250 millions.
12. The most uncertain part of this Estimate, seems to be rating personal Estates at above 30 Millions, which I make probable thus.
(Lastly,) supposing that in the Houses within the Liberties of London (worth 5 Millions) there be 10 Millions worth of Goods; I conceive that to allow about as much more, viz. 21 Millions) to all the rest of the Houses in the Kingdom, which are ten times as many as aforesaid, will not overcharge them. ‖
13. Now if the Land worth 144 Millions, yield 8 Millions per annum, the other Estate converted into the like Species must yield 5 more; but because Money and other personal Estates yield more per annum than Land; (that is) doubles it self under 17 years purchase at 6 l. per centum, then instead of 5 , suppose it to yield 7, making the whole Annual Proceed 15.
All editions have 6 l. Is. 8d. per acre. D has ‘6s 8d p acre,’ which makes Petty's calculation correct.
Apparently “¼ more” should be “as many more.” This correction explains the words “not of greater value, viz. 5,040,000l.“at the end of the paragraph, and it brings the estimate of London's houses (56,000) more nearly into harmony with the 65,000 or 66,000 which Petty variously assigns to the London of 1666 in his Two Essays and in his Five Essays. Furthermore it is by some such change alone that we can justify Petty's valuation of the housing of England at 30 million pounds. His calculation, with the correction suggested, would be:
S, ‘ .’
1719, ‘310 Millions.’
D, ‘theire ordinary apparell.’
S, ‘which makes.’
This and the two following paragraphs are not in S.
Because London was assessed £ 4666. 13 s. 4 d. of the £ 70,000 per month to be raised in accordance with 13 Charles II., stat. 2, c. 3.