The answer to this is going to be to install gutter guards.
Best way to keep leaves out of your gutters.
How they work a vinyl plastic or metal grid sits atop the gutter letting water in while keeping leaves out.
Gutter guards come in different materials and designs but all hold a common purpose keep the leaves and debris out of your gutters.
It installs under the gutter ferrules to protect it from blowing away in high winds.
Make sure you especially trim the branches that overhang your gutters.
If you have a lot of trees on your property then another good way to prevent a lot of leaves in your gutters is to regularly trim your trees.
If you live in house that has any trees around it gutter guards are going to be a great investment.
Your job brushing aside any accumulated debris from time to time to prevent runoff from cascading over the face of the gutter.
This will at least help reduce the amount of leaves you will have to clean up.
It blocks leaves from entering but easily allows water through.
This gutter insert is a plastic mesh foam filter.
These guards range in price and usefulness.
The theory is similar to flat screens described above in that the insert will let water through and keep debris out of the gutter the top of these inserts are essentially flat when installed into a gutter.
Surface tension from the curved lid channels water into the holes without taking leaves with it.
Small debris sometimes gets in but usually washes out the downspouts without a problem.