This page is a display of work in progress.
It may be changed without notice.
(Part 1) Population density at each census;
Increase rate at each interval between censuses |
C.E. | Japanese year | Pop. density (person / km2) | Info source | Note (based on Hayami 1992) |
Increase rate (%/year) | Note (my guess) |
1721 | Kyôhô 6 |
|
a | | | |
1750 | Kan'en 3 |
|
a | Excluded (too large): Suruga |
|
|
1756 | Hôreki 6 |
|
a | Excluded (too small): Tsushima Exchanged: Noto & Kaga |
|
|
1786 | Tenmei 6 |
|
b | |
|
|
1792 | Kansei 4 |
|
c | Excluded (too small): Izu, Mikawa, Mimasaka |
|
Possibly too small: Kai |
1798 | Kansei 10 |
|
b | Excluded (too small): Izu |
|
Possibly too large: Kai |
1804 | Bunka 1 |
|
b | |
|
|
1822 | Bunsei 5 |
|
b | Excluded (too small): Shimôsa |
|
Possibly too large: Tôtômi, Suruga |
1828 | Bunsei 11 |
|
b | Excluded (too small): Tsushima Corrected (too large): Kai |
|
|
1834 | Tenpô 5 |
|
b | Excluded (too small): Shimôsa |
|
Likely too large: Izu, Echizen, Kai. Likely too small: Shimotsuke, Hitachi, Suruga, Ômi |
1840 | Tenpô 11 |
|
c | Excluded (too small): Izu |
|
Likely too large: Shimotsuke, Hitachi, Suruga, Ômi |
1846 | Kôka 3 |
|
a | Excluded (too small): Izu |
|
|
1872 | Meiji 5 |
|
e | |
|
|
(Part 2) Increase rate in combined time intervals |
1828 - 1840 | |
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1721 - 1846 | |
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1721 - 1872 | |
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(Part 3) Linear regression | ↓Intercept | | ↓Slope | ↓Increase rate by regression | |
1721 - 1846
(Rep. year 1800) |
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(Part 4) Population density in the present era |
2015 | Heisei 27 |
|
National Census | |
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Software used for mapping,
as well as calculation of areas of provinces and population density