Do cats get more rambunctious as they get older?

I can't say that I've had that experience. My calico is 16 years old. For at least 14 of those years she was a very quiet and timid cat. She never really meowed at all. The last couple of years, the girl has found her voice. And that voice is loud and strident and demanding.

It's a bit funny, except on those mornings when she's eaten everything that was put out for her the night before and has decided it's time for the humans to get up and wait on her majesty.

But that's the only difference I've seen in her with aging. Otherwise, she's a couch potato. She doesn't move unless it's to eat, use the litter box, or otherwise engage in some activity that revolves around her wants and needs.