Well, if you look at the balance of power it is shifting, it appears that US could no longer (for example) establish air dominance over Taiwan. I wonder where it would get by 2020 and 2025 and 2030.
That said, we are not doing all that stellar either, we only get 450 newly built (2007-2020, hard sighned contracts and already built aircraft) T10 (aka Flanker) series (Su30SM, Su34, Su35S and few Su30M2s) in our Armed Forces (split between RuASF and MA of RuN), plus modernised legacy aircraft. Not sure if it is adequate