The United States had the largest population of the G7 countries between 2000 and 2022, increasing from 282 million to 333 million. It is also the country with the third highest number of inhabitants in the world. Interestingly, Japan's population has been in decline since 2010, falling from 128 million to 125.1 million. Also Italy's population has ben decreasing in recent years.
Ageing population
Both Italy, Germany, and Japan are characterized by an increasingly ageing population. In 2022, Japan had the second highest median age worldwide at 48.6, while Germany and Italy had the fourth and fifth highest, respectively. Despite Germany's high median age and ageing population, the number of inhabitants continue to increase because of migration.
Falling fertility rates
Another reason for the declining populations in Japan and Italy are falling fertility rates. Both countries were among the 20 with the lowest fertility rates in the world in 2023, meaning that women in child-bearing age have fewer children. That year, Japan and Italy had fertility rates of 1.39 and 1.24 children per woman, respectively.
Number of inhabitants in G7 countries from 2000 to 2022, by country
(in millions)
Characteristic
Canada
France
Germany
Italy
Japan
United Kingdom
United States
2022
38.93
67.97
83.8
58.94
125.12
66.97
333.29
2021
38.23
67.76
83.2
59.13
125.68
67.03
332.03
2020
38.01
67.57
83.16
59.44
126.26
67.08
331.51
2019
37.6
67.39
83.09
59.73
126.63
66.84
328.33
2018
37.07
67.16
82.91
60.42
126.81
66.46
326.84
2017
36.55
66.92
82.66
60.54
126.97
66.06
325.12
2016
36.11
66.72
82.35
60.63
127.08
65.61
323.07
2015
35.7
66.55
81.69
60.73
127.14
65.12
320.74
2014
35.44
66.31
80.98
60.79
127.28
64.6
318.39
2013
35.08
66
80.65
60.23
127.45
64.13
316.06
2012
34.71
65.66
80.43
59.54
127.63
63.7
313.88
2011
34.34
65.35
80.27
59.38
127.83
63.26
311.58
2010
34
65.03
81.78
59.28
128.07
62.77
309.33
2009
33.63
64.71
81.9
59.1
128.05
62.28
306.77
2008
33.25
64.38
82.11
58.83
128.06
61.81
304.09
2007
32.89
64.02
82.27
58.44
128
61.32
301.23
2006
32.57
63.63
82.38
58.14
127.85
60.85
298.38
2005
32.24
63.19
82.47
57.97
127.77
60.4
295.52
2004
31.94
62.72
82.52
57.69
127.76
59.99
292.81
2003
31.64
62.26
82.53
57.31
127.72
59.65
290.11
2002
31.36
61.82
82.49
57.06
127.45
59.37
287.63
2001
31.02
61.37
82.35
56.97
127.15
59.12
284.97
2000
30.69
60.92
82.21
56.94
126.84
58.89
282.16
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World Bank. (December 18, 2023). Number of inhabitants in G7 countries from 2000 to 2022, by country (in millions) [Graph]. In Statista. Retrieved September 19, 2024, from https://www.statista.com/statistics/1372441/g7-country-population/
World Bank. "Number of inhabitants in G7 countries from 2000 to 2022, by country (in millions)." Chart. December 18, 2023. Statista. Accessed September 19, 2024. https://www.statista.com/statistics/1372441/g7-country-population/
World Bank. (2023). Number of inhabitants in G7 countries from 2000 to 2022, by country (in millions). Statista. Statista Inc.. Accessed: September 19, 2024. https://www.statista.com/statistics/1372441/g7-country-population/
World Bank. "Number of Inhabitants in G7 Countries from 2000 to 2022, by Country (in Millions)." Statista, Statista Inc., 18 Dec 2023, https://www.statista.com/statistics/1372441/g7-country-population/
World Bank, Number of inhabitants in G7 countries from 2000 to 2022, by country (in millions) Statista, https://www.statista.com/statistics/1372441/g7-country-population/ (last visited September 19, 2024)
Number of inhabitants in G7 countries from 2000 to 2022, by country (in millions) [Graph], World Bank, December 18, 2023. [Online]. Available: https://www.statista.com/statistics/1372441/g7-country-population/