The phrase "always fewer than" is correct and usable in written English.
It can be used when comparing quantities, indicating that one amount is consistently less than another.
Example: "In our study, the number of participants who preferred option A was always fewer than those who chose option B."
Alternatives: "consistently less than" or "always less than".
The slave usually had few rights and always fewer than his owner, but there were not many societies in which he had absolutely none.
Importantly, the solutions are very few (always fewer than five-ten) in the space of many millions.
Bad channels (always fewer than ten) were usually contaminated by high-frequency muscular activity and were mostly located peripherally over fronto-temporal muscles.
As a result, some associations between random miRNAs and candidate TAS loci were predicted but were always fewer than those predicted with the original miRNA set.
SPR is conservative, because it measures incidence of malaria in only suspected or tested cases, which are always fewer than the total population at risk.
Everyone is always asking who's single, there's always fewer women than men.
The interpretation here is that there are always fewer valines and more alanines (A) than what we anticipate.
Nomad conquerors, however numerous they seemed at the moment of attack, were always far fewer than the settled populations they overran and, partly for that reason, were nearly always absorbed into the conquered society within a few generations.
In fact, the church has about the same number of members it has always had, fewer than 200.
Because it is always selling fewer than one or the other (or both, as is the case in many big European countries), it is continually falling further behind the three real mobile ecosystems (Google Android, non-Google Android in China, iOS).
It has never appeared in the public data for girls ― meaning that even if some American parents have chosen it for their daughters, the number of baby girls given that name in a year has always been fewer than five.
