Bonds and stocks are all securities the difference being stockholders or owners of a company while bondholders are deemed to be lenders to a company.Bonds play a critical role in balancing portfolios and general economies. Investors are thus encouraged to take on bonds and stocks concurrently. Returns on bonds may be lower compared to stocks but they are safer protected ways of investing in securities. Interest rate of bonds can be quantified by the level of its duration.
See List of government bonds rates by Moody’s and S&P and Fitch : 
Fxigor
Trader since 2007. Currently work for several prop trading companies.