Why there's no fixed number
Any answer given as a flat number — "you need 50 backlinks" — is guessing, because it ignores the two things that actually determine the answer: how competitive the specific keyword or topic is, and how strong the backlink profiles of the pages currently ranking for it already are. A local service page with little competition might rank with a handful of relevant links. A competitive national keyword might need a backlink profile that took competitors years to build.
What actually matters more than count
Relevance and quality outweigh raw quantity. Ten topically relevant, editorially-placed links tend to do more for a page than fifty generic directory links. This is covered in more depth in What Makes a Quality Backlink? — the short version is that link count alone is a weak predictor without quality attached to it.
A more useful way to estimate
Rather than asking "how many links do I need," a more answerable version is: "what does the backlink profile of the pages currently ranking for this term look like?" Checking the top-ranking pages for your target keyword — their approximate link counts and the type of sites linking to them — gives you a realistic reference point specific to that keyword, rather than a generic rule that ignores your actual competition.
Diminishing returns
Beyond a certain point, additional links to the same page produce a shrinking return, especially if a page's on-page content, site structure, or user experience are the actual bottleneck rather than its backlink count. Link building compounds other SEO fundamentals — it doesn't substitute for them.
The practical answer
When we're asked this, we look at the specific target page and keyword rather than quoting a number that would be the same regardless of what you're trying to rank. Send us the page and keyword on WhatsApp and we'll give you a realistic read on what a competitive placement plan would look like for that specific case.