The phrase "an improvement in the number of" is correct and usable in written English.
It can be used when discussing positive changes or increases in quantity or frequency of something.
Example: "There has been an improvement in the number of participants in the program this year compared to last year."
Alternatives: "an increase in the number of" or "a rise in the number of".
However, the rise should not be regarded as an increase in the strength of the property market or an improvement in the number of first-time buyers: the CML says the increase was fuelled by remortgaging rather than house purchase, and adds that this is likely to dwindle going forward as expectations of an increase in interest rates recede.
In addition, Tibco saw an improvement in the number of deals it closed for the quarter.
The service evaluation demonstrated an improvement in the number of adequate post-operative radiographs obtained following introduction of the new technique to the department.
To determine if there is an improvement in the number of peritoneal dialysis (PD) patients who meet target goals for serum phosphorus and parathyroid hormone (iPTH) after the implementation of a dietitian led mineral metabolism protocol.
That decline, however, was probably due to the drop in the labor force rather than an improvement in the number of full-time jobs.
Critics argue that the legal system remains slow to hear and prosecute rape cases, but most agree that the case has resulted in a tremendous increase in the public discussion of crimes against women and statistics show that there has been an improvement in the number of women willing to file a crime report.
The 2015 numbers are actually an improvement – in 2014, the number of those who were working part-time but wanted a full-time job was 7.5 million.
A result, he said, was a 400percentt improvement in the number of credit card applications generated from the ads.
Bank officials pointed to a marked improvement in the number of mid-size businesses seeking credit.
This constitutes a significant improvement in the number of TFs with known PFMs.
Here we see an improvement in the performance when the number of antennas and number of relays increase.
