The official answer is no one, but it is a half-truth that few swallow.
Life Expectancy for the Miniature Poodle - The median lifespan for is 15 years, with a range of 14 to 16 considered normal. Life Expectancy for the Standard Poodle - The median lifespan for is 12 years, with a range of 11 to 13 considered normal. Life Expectancy for the Klein/Moyen Poodle - The median lifespan for is 13.5 years, with a range of 12 to 15 considered normal. As you can see, both Toy and Miniature Poodles have the same life expectancy, while the Standard Poodle does have a somewhat shorter life span.
Standard Poodle Age Chart. This is for Poodles that are 45-70 lbs. A standard sized Poodle will age faster than a Toy or Miniature, this is mainly due to the dog's size. It is for this reason that the average life span of a Standard (12 years) is shorter than that of the Toy or Miniature (15 years).