"gaps in access" is correct and usable in written English.
You can use it when you want to refer to the differences between people when it comes to their ability to access certain resources or services. For example, "We need to focus our efforts on addressing the gaps in access to healthcare in lower-income communities."
Here are the findings on the gaps in access to contraceptives:.
We must address relative poverty within and between countries to narrow the gaps in access, opportunities and outcomes between the rich and poor.
A variety of recent studies have shown that while Internet access is expanding rapidly, there remain persistent gaps in access based on income, race, education level and region.
Within schools serving white, black, and Latino populations, academic tracking produces gaps in access to advanced courses by race and class.
But gaps in access to primary education are common in developing countries, especially where families must pay fees for their children to attend.
The report painted a stark picture of the gaps in access to higher education, with 18-year-olds from the most advantaged groups more than six times more likely to attend highly selective institutions than those from disadvantaged backgrounds.
With warnings coming thick and fast about the stark ramifications of the government's sweeping cuts to legal aid, it was probably inevitable that someone would come up with a new way to plug some gaps in access to justice.
As the number of autism diagnoses has increased, we have no true handle on the size and severity of gaps in access to autism-related resources and exactly where the widest divides exist in the US or globally.
"Despite progress, gaps in access to quality education and healthcare services between different income groups in the population remain in many countries," Gaspar and Garcia-Escribano said, adding that in rich countries men with university education lived up to 14 years longer than those with secondary education or less.
To combat these issues of (1) mapping the true prevalence of autism and (2) quantifying gaps in access to key intervention services, we built GapMap: a crowd-based mobile platform to track the prevalence of autism in real-time and find autism-related resources that can be accessed from any mobile device or computer.
Although the number of autism diagnoses is on the rise, we have no evidence-based tracking of size and severity of gaps in access to autism-related resources, nor do we have methods to geographically triangulate the locations of the widest gaps in either the US or elsewhere across the globe.
