なぜこの20か
Population of each country's first-level regions (states, provinces, prefectures, oblasts) from Wikidata, which takes it from census offices. Where Wikidata has figures for several years the highest is used, which is usually the latest census; regions that shrink may show an older, larger figure.
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1
A
Auckland Region
region of New Zealand's North Island
1,816,000
-
2
C
Canterbury Region
region of New Zealand's South Island
698,200
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3
W
Wellington Region
region at the southern end of New Zealand's North Island
543,400
-
4
W
Waikato Region
region in North Island, New Zealand
532,100
-
5
B
Bay of Plenty Region
region in New Zealand's North Island
351,500
-
6
M
Manawatū-Whanganui Region
region in New Zealand's North Island
260,700
-
7
O
Otago Region
region in the southeast of New Zealand's South Island
253,900
-
8
N
Northland Region
region at the northern end of New Zealand's North Island
201,100
-
9
H
Hawke's Bay Region
region on the east coast of New Zealand's North Island
179,700
-
10
T
Taranaki Region
region on the west coast of New Zealand's North Island
130,300
-
11
S
Southland Region
region in southern New Zealand
104,800
-
12
T
Tasman District
region in the northwest of New Zealand's South Island
59,900
-
13
N
Nelson Region
region of New Zealand established in 1992
54,300
-
14
G
Gisborne District
region on the east coast of New Zealand's North Island
52,700
-
15
M
Marlborough District
region and district in the north of New Zealand's South Island
50,800
-
16
W
West Coast Region
region of New Zealand's South Island
34,700
-
17
C
Local government authority for the Chatham Islands
620
測り方
Wikidata: the first-level divisions each country lists as its own (P150, contains the administrative territorial entity) that have a population (P1082) and no dissolution date; grouped by country, the world view is built from the countries.