"rate rising" is correct and usable in written English.
You can use it to describe an increase in the frequency or speed of a process. For example, "The rate of rising sea levels is alarming experts."
Figures show unemployment rate rising to 6percentt in November.
The labour market figures released today show unemployment continuing to fall and the employment rate rising.
The economy here may still be crummy, the number of jobs dropping, the unemployment rate rising.
Overseas students increased at a sharper rate, rising by more than 20%.
Wall Street expressed concern that even as oil prices receded, labor costs would accelerate and keep the inflation rate rising.
Employers will also have to pay extra NICs with the rate rising from 12.8%to13.8%8% in April 2011.
It was a commercial transaction at so much a verse, the rate rising with the number of verses remembered.
"I don't think we will be seeing the labor force participation rate rising much, if at all.
With the unemployment rate rising and many wages shrinking, the figures show the danger of being overextended on credit.
Buy-to-let borrowers will take a single hit, seeing their rate rising from 2.25%to4.99%9% in May.
Inflation is being fanned by a record low jobless rate, rising commodity prices and the promise of income tax cuts.
