The Three-Fund Portfolio is an investing staple on the fantastic forums at Bogleheads.org. While the allocation percentages are not static and may vary by individual investor, the one represented here is perhaps the most popular starting point.
British Portfolios 
/// CAN GER USA
Asset Allocation
Domestic
- 40% Total Stock Market (UK)
International
- 20% World Total Stock Market
- 40% Intermediate Term Gilts (UK)
