Most hip replacements last at least 20 years. A large-scale analysis published in The Lancet, drawing on national registry data from hundreds of thousands of procedures, found that about 85% of hip replacements are still functioning well at the 20-year mark. At 25 years, roughly 58% are still going strong. These numbers come from real-world registries rather than hand-picked surgical case studies, so they reflect what typical patients can realistically expect.
Survival Rates at 15, 20, and 25 Years
Hip replacement survival is measured by how many implants are still in place without needing a second surgery. The numbers shift depending on where the data comes from. Individual surgical case studies, which tend to feature experienced surgeons and carefully selected patients, report rosier figures. National joint registries, which track every procedure regardless of surgeon or patient, paint a more conservative picture.
At 15 years, reported survival rates range widely, from 48% to 93%, depending on the implant design, the surgeon’s technique, and the patient population. By 20 years, the best pooled estimate from a large UK database puts survival at about 85%. At the 25-year mark, national registry data shows around 58% of hip replacements are still functioning without revision. Case series data puts that number closer to 78%, but the registry figure is considered more reliable because it captures a broader, less curated group of patients.
For someone getting a hip replacement in their 60s, these numbers are encouraging. The majority will never need a second surgery. For someone in their 40s or 50s, the math changes: a longer remaining lifespan means a higher chance of eventually needing a revision.
Why Hip Replacements Eventually Fail
The single most common reason a hip replacement needs to be redone is called aseptic loosening, which simply means the implant gradually works itself free from the bone without any infection involved. According to England’s National Joint Registry, about 24% of all hip revision surgeries are performed for this reason.
Loosening can happen for a few reasons. Sometimes the initial bond between bone and implant isn’t strong enough. Over years of use, the mechanical connection can weaken. The body can also react to microscopic particles shed by the implant’s surfaces, slowly eroding the surrounding bone in a process called osteolysis. As bone is lost, the implant loses its anchor.
Other reasons for revision include infection (which can occur even years after the original surgery), dislocation of the ball from the socket, fracture of the bone around the implant, and simple wear of the bearing surfaces. But loosening remains the dominant long-term concern.
How Modern Materials Have Changed the Timeline
Implant materials have improved significantly over the past two decades, and this matters for anyone getting a hip replacement today. The biggest advance has been in the plastic liner that sits inside the socket. Older polyethylene liners wore down relatively quickly, shedding particles that triggered bone loss. Newer versions, called highly cross-linked polyethylene, wear at a fraction of the rate. In a 20-year follow-up study of patients aged 50 and younger, these liners wore down at an average rate of just 0.017 millimeters per year. That’s essentially negligible over a human lifespan.
Ceramic bearing surfaces are another option. A meta-analysis of 15 randomized trials compared all-ceramic bearings to ceramic-on-plastic combinations and found no significant difference in revision rates, even when looking at studies with more than 10 years of follow-up. Both performed well, which means the choice between them is less about longevity and more about individual factors your surgeon can help weigh.
The practical takeaway: hip replacements implanted today are likely to outlast the estimates from those large registry studies, which include many older-generation implants in their averages.
What Affects How Long Yours Will Last
Not every hip replacement has the same odds. Several factors shift the timeline in one direction or the other.
Age at surgery. Younger patients place more years of demand on the implant and tend to be more physically active. Someone who receives a hip replacement at 50 is statistically more likely to need a revision than someone who gets one at 70, simply because the implant has to last longer.
Body weight. Carrying extra weight increases the mechanical load on the implant with every step. The American Academy of Orthopaedic Surgeons notes that patients with a BMI above 40 face a higher risk of serious complications both during and after surgery, including wound-healing problems and infection. The risk rises gradually with BMI rather than jumping at a specific cutoff, but some surgeons and hospitals set thresholds between a BMI of 35 and 40 when recommending for or against the procedure.
Activity level. Older implant designs showed a clear link between high-impact activity and faster deterioration. With newer materials, that connection is less definitive. Low-impact activities like swimming, cycling, and walking are universally encouraged. Running and contact sports remain a gray area. Some surgeons are more permissive than they used to be, but repeated high-impact loading still carries at least a theoretical risk of accelerating wear.
Surgical technique and implant positioning. How precisely the components are placed during surgery affects long-term stability. A well-positioned implant distributes forces evenly across bone and bearing surfaces. A poorly aligned one can concentrate stress in ways that accelerate loosening or wear.
What Happens If You Need a Revision
A revision hip replacement is a more complex surgery than the original. The surgeon has to remove the old components, address any bone loss that has occurred, and fit new implants into what is often a less-than-ideal foundation. Recovery tends to be longer, and the results, while generally good, don’t quite match the durability of a first-time replacement.
The Lancet analysis focused primarily on first-time hip replacements, and direct long-term survival data for revision implants is harder to pin down. What is clear is that revision implants face a tougher mechanical environment: less bone stock, scar tissue, and sometimes compromised soft tissue. This is one reason surgeons try to maximize the lifespan of the original implant, and why age at first surgery matters so much in the decision-making process.
Most people who do need a revision go on to have good outcomes and return to daily activities. But the surgery carries higher complication rates, and the recovery window is typically measured in months rather than weeks.
Signs Your Hip Replacement May Be Wearing Out
A hip replacement that is loosening or wearing out usually announces itself gradually. The most common early sign is a return of groin or thigh pain during weight-bearing activities, particularly pain that worsens over weeks or months rather than appearing suddenly. You might notice a sense of instability, a clicking sensation, or a feeling that the joint isn’t moving as smoothly as it once did.
Sudden onset of severe pain, especially with fever, can signal infection rather than mechanical wear and warrants urgent attention. But for the slow mechanical kind of failure, your surgeon will typically monitor the implant with periodic X-rays to catch loosening or bone loss before it becomes a larger problem. Most orthopedic teams recommend check-in imaging every few years, even when the hip feels fine.