There is a long answer but the short answer is simple.yes.
In the beginning of the movie, when Kiki is leaving, Gigi turns the radio on and the song "Soaring" by Sydney Forest starts to play.
kiki is 8 in Tokyokiki is 11 in English
Elton John did not marry Kiki Dee
Kierra 'Kiki' Sheard is a singer of Gospel songs ~ see related link below .
Kierra "Kiki" Sheard is 30 years old (birthdate June 20, 1987).
Kiki-Jiji-Osono-Ursula-Tombo-The Baker-Kokiri (Kiki's mother)-Okino (Kiki's father)-Madame-Barsa-Senior Witch-Jeff-Lily .
http://www.dubcrazy.net/kiki's-delivery-service/
Kiki's Delivery Service is rated G.
Kiki's delivery service was made by Studio Gibili :)
Kiki's Delivery Service was created on 1989-07-22.
Kiki's Delivery Service - novel - was created in 1985.
Kiki's Delivery Service - novel - has 259 pages.
Jiji
The ISBN of Kiki's Delivery Service - novel - is 4-8340-0119-9.
The duration of Kiki's Delivery Service is 1.7 hours.
There have been no announcement about Kiki's delivery service being released on Blu-Ray, but it has been released on DVD.
Yes, the makers of Kiki's Delivery Service and Ponyo are the same people. The produce was Hayao Miyazaki for both of the films.