How much power do you think a saiyan loses after they become 80?

[Berserker1921]

How much power do you think they lose after 80? Do you think they lose 10% every year?

Or do you think it’s every 10 or years after 80, does they’re power decrease begin to show?

What do you think happens?

Example: Let’s say for argument sakes, Goku is Angel level by the time he is 80, how much weaker does he become yearly or every 10 years?

[Hulk10]

That is certainly an interesting question. But I think they lose power much more slowly than humans do. So perhaps they lose about 10% of their power every 10 to 15 years?

[JulieYBM]

An eighty year old Saiyan is a neat idea to explore someday. I wonder if their ki supplies remain the same and it is simply their body that begins to fail them or if their ki begins to dip as a result of their bodies slowing down? Could Gokuu's body theoretically retake a youthful form if he raised his ki to its maximum during combat?

[Berserker1921]

Paragus PL was about 4200. And he was easily 80+ years old. He seemed so frail, possibly, when you get older. Physically you become weaker, but maybe you keep the power level. However; like in GT, you can’t access it like you used too.

[theherodjl]

Who is to say that Saiyans lose power when they are elderly? Their bodies might be less sturdy and generally less energetic but Ki is not about the body, it is it's own power that happens to exist and be accessed within one's body. That's why Toriyama says that fighters have to train their Ki instead of the their body.

[Berserker1921]

Who is to say that Saiyans lose power when they are elderly? Their bodies might be less sturdy and generally less energetic but Ki is not about the body, it is it's own power that happens to exist and be accessed within one's body. That's why Toriyama says that fighters have to train their Ki instead of the their body.

But what if you can’t access that ki?

[theherodjl]

Who is to say that Saiyans lose power when they are elderly? Their bodies might be less sturdy and generally less energetic but Ki is not about the body, it is it's own power that happens to exist and be accessed within one's body. That's why Toriyama says that fighters have to train their Ki instead of the their body.

But what if you can’t access that ki?

Then you'd not be as powerful. However, losing access to Ki is not necessarily losing Ki. Goku lost access to his Ki in varying instances after pushing himself to extremes at the U6 tourney but his overall Ki didn't actually reduce.

[ankokudaishogun]

Ki is not about the body

yeah, but it's the body that contains Ki.
That's why Kaiohken is a risky technique, because it increases Ki more than what the body might sustain.

If, say, a Peak Goku can sustain Kaiohken x20, a 90 years old Goku might be unable to go beyond x16 without exploding.
(this, obviously, ignoring improvements on Ki manipulation and mastery of techniques that might come from experience)