There are three levels of international participation.
The levels generally reflect the financial stake in the program, the amount of technology transfer and subcontracts open for bid by national companies,
and the order in which countries can obtain production aircraft. The United Kingdom is the sole "Level 1" partner, contributing US$2.5 billion, which was about 10% of the planned development costs
[5] under the 1995
Memorandum of Understanding that brought the UK into the project.
[6] Level 2 partners are Italy, and the
Netherlands, who are contributing US$1 billion and US$800 million each respectively. Level 3 partners are
Turkey, US$195 million; Canada US$160 million; Australia, US$144 million; Norway, US$122 million and Denmark, US$110
million. Israel and
Singapore have joined as so-called "
security cooperative participants" (SCP)