The phrase "a decline of power" is correct and usable in written English.
It can be used when discussing a reduction in authority, influence, or strength, often in a political or social context.
Example: "The empire experienced a decline of power over the centuries, leading to its eventual collapse."
Alternatives: "a loss of power" or "a decrease in power."
Ironically, it was the indirect impact of post-Mao government policies, which encouraged urban-rural income inequality, increased the economic power of the younger generation, and so lead to a decline of parental power (Jing 2004; Miller 2004; Yan 2003) and reshaped intergenerational dynamics.
The 6th century, in fact, represented a decline of Yamato power both at home and abroad.
But sensing a decline of American power in the region, Turkish officials have become sharply more assertive in the Middle East, priding themselves on keeping open channels to virtually every party.
Kreft [ 48] argues that 150 groups with 5 observations within each group should be sufficient to obtain a power of 0.90, but fewer observations (either groups or individuals) show a rapid decline of power for the detection of cross-level interactions [ 49].
Earnestly desiring leisure, feeling a decline of his physical powers, and wincing under abuses of the opposition, Washington refused to yield to the general pressure for a third term.
He wrote a successful textbook, The Decline Of Power 1915-1964 (1985), and an important edition, with Roger Louis, of essays on Churchill (1993).
"At a time when risk and experiment is threatened by, amongst other things, a decline of confidence in the power of public investment in the arts, it's heartening to have our critics endorse the opinion of our audiences who snapped up every seat for these shows".
But it's the relative decline of power that stings.
Wrench links the more inclusive stance on immigration and 'race' to a decline of union influence, 'as membership and power declined, it was increasingly recognized that the future of trade unionism depended on a more inclusive strategy which took seriously the problems and interests of previously marginalized groups' (Wrench, 2004: 21).
Some are domestic, but by far the largest set of factors has to do with securing Russian strategic interests in the Middle East and offering an alternative vision of global order growing out of a perceived decline of American power.
