From The Digital Reader:
While the Kindle Unlimited funding pool grew by 5% in March 2018, the per-page royalty did not.
. . . .
From Self-Publisher Bibel (please fill in the missing numbers):
- US: $0.0045 (USD)
- Germany: €0.0031 (EUR)
- Netherlands, France, Spain, Italy: €0.0045 (EUR)
- Canada: $0.0046 (CAD)
- Brazil: R$ 0.0109 (BRL)
- Japan: 0.5568 (JPY)
- UK, Mexico, Australia, Canada, India: unknown
Link to the rest at The Digital Reader