But is Russia even in decline, relative to peer countries?
Compare GDP (ppp) of G8 states now to year 2000:
USA $20,8trn
102%
UK $2,9trn
91%
Japan $5,2trn
53 %
France $2,9trn
76%
Germany $4,4trn
83%
Italy $2,4trn
48%
Canada $1,8trn
98%
Russia $4,0trn
145% https://twitter.com/ABarbashin/status/1346606126201241607
Compare GDP (ppp) of G8 states now to year 2000:
USA $20,8trn

UK $2,9trn

Japan $5,2trn

France $2,9trn

Germany $4,4trn

Italy $2,4trn

Canada $1,8trn

Russia $4,0trn

Compare share of global GDP (in nominal USD terms, G8 states) in 2018, to the year 2000.
Russia the only one which increased share, despite sanctions & weak ruble
USA
5%
UK
1.28%
Japan
7.29%
France
0.61%
Germany
0.89%
Italy
0.76%
Canada
0.13%
Russia
1.04%
Russia the only one which increased share, despite sanctions & weak ruble
USA

UK

Japan

France

Germany

Italy

Canada

Russia

One more measure, the change in global military spending rank.
2000: 1) USA 2) Japan 3) UK 4) France 5) Germany 8) Italy) 16) RUSSIA 20) Canada
2019: 1) USA (n/c)
4) RUSSIA (+10)
8) France (-4)
9) Germany (-4)
10) UK (-7)
11) Japan (-9)
14) Italy (-6)
16) Canada (+4)
2000: 1) USA 2) Japan 3) UK 4) France 5) Germany 8) Italy) 16) RUSSIA 20) Canada
2019: 1) USA (n/c)
4) RUSSIA (+10)
8) France (-4)
9) Germany (-4)
10) UK (-7)
11) Japan (-9)
14) Italy (-6)
16) Canada (+4)
One area where Russia in relative decline is population (2000 v 2019). But Germany & Japan in same boat.
USA 328.2m
16.3%
Japan 126.1m
0.4%
Germany 83.0m
1.0%
France 66.99m
10.7%
UK 66.6m
13.3%
Italy 60.3m
6.0%
Canada 37.59m
22.4%
Russia 146.7m
0.1%
USA 328.2m

Japan 126.1m

Germany 83.0m

France 66.99m

UK 66.6m

Italy 60.3m

Canada 37.59m

Russia 146.7m

One point here: The 2019 figure includes Crimea. Without it, Russia's population would have fallen by 1.3% to 144.8 million.