FACTBOX: Who is giving what in G8 new food aid initiative

(Reuters) - The G8 summit in Italy is expected to announce a new global food security initiative on Friday with up to $15 billion of funds over three years for agricultural development.

Following is a list of expected contributions so far from individual countries.

* United States: $3-4 billion

* Japan: at least $3 billion

* European Union: $1 billion a year until 2011

* Canada: $520 million

(reporting by Reuters correspondents)