Among the longest-lived breeds
A Russian Blue's typical lifespan is 15 to 20 years, a span matched by few purebred breeds. The Russian Blue is an old, naturally occurring type, refined rather than engineered, with a lean muscular body, a short and exceptionally dense blue coat with silvery tips, and no extreme features to compromise breathing, joints, or skin. There is no long list of breed-specific inherited diseases attached to the Russian Blue, which is precisely why so many of them reach advanced old age in good shape.
What a twenty-year commitment actually means
Adopting a Russian Blue kitten is closer, in time terms, to adopting a puppy-sized promise of two decades: this cat may see children through school, outlast several cars and phones, and still be claiming her favourite chair. That longevity should shape practical choices. Keep her indoors, where lifespan is protected from traffic and infectious disease. Choose a vet relationship you can sustain, and budget for the senior years honestly, because the cost of an old cat is concentrated in her final third of life, when dental work and monitoring for kidney and thyroid changes become routine.
Care for a reserved, routine-loving cat
Russian Blues are famously loyal and famously reserved: devoted to their own people, cautious with visitors, and fond of predictable routines. Feed at consistent times, keep litter and water spots stable, and let the cat set the pace of affection. That sensitivity cuts both ways for health: a Russian Blue who hides more than usual, skips meals, or abandons a long-held routine is telling you something, and in a stoic breed such changes deserve a vet check rather than a shrug. The plush double coat needs only a weekly comb, and shedding is modest.
Watching the very old cat
Kidney disease and an overactive thyroid are the common findings in elderly cats generally, and a Russian Blue's long life means she is likely to meet one of them. Twice-yearly senior check-ups with bloodwork, as your vet advises, catch both while they are still manageable. Keep jumping routes step-wise for arthritic joints, warm resting places easy to reach, and food and litter on one floor if stairs become hard.
A Household Across the Years
A cat cared for over twenty years is usually cared for by several people, across house moves, new partners, and grown children taking turns. Feeding amounts, vet history, and her particular preferences survive those changes only if they are written down somewhere shared. Access to her profile can be granted by the owner to parents or adult children in the family, and granting it in that way is done under KinsLe Family Sharing.