The phrase "as declining" is correct and usable in written English.
It can be used to describe a situation or trend that is decreasing or diminishing over time.
Example: "The company's profits have been reported as declining for the past three quarters."
Alternatives: "as decreasing" or "as diminishing".
Mr Abe's prescription for what he sees as declining national confidence may be even riskier.
Sociologist Mark Chaves redefined secularization as declining religious authority back in 1994.
Youngsters try out for Little League as declining participation threatens baseball's place in the national conversation.
The researchers found that 14 birds popular in Sumatran pet markets were identified by local experts as declining or severely declining — yet, only two are officially recognized as imperiled and three as declining, the researchers found.
The study focused on 72 people, ages 67to7979, who reported poor sleep as well as declining mental sharpness.
However, increasing productivity from climate change leads to deteriorating environmental conditions such as declining plant species richness and landscape appearance.
Biodiversity is widely perceived as declining, and environments as undergoing degradation, through rural population growth and resource use.
Extract: Politics abhors a vacuum and Asian countries will gravitate towards China if US influence is perceived as declining.
Auto and electronics makers led the advance, as declining domestic interest rates fostered an increase in demand for durable goods.
He said he had taken on the task to counter what he saw as declining public respect for professors.
The deal comes as declining oil prices and concern over the global economy have put pressure on energy-related stocks.
