Mead Johnson Nutrition Co | 2013 | FY | 3

  
Pension Benefits
 
Other Benefits
  
December 31,
 
December 31,
  
2013
 
2012
 
2013
 
2012
Discount rate
4.08
%
 
3.21
%
 
4.98
%
 
3.75
%
Rate of compensation increase
3.22
%
 
3.58
%
 
3.08
%
 
3.48
%

        The discount rate was determined based on the yield to maturity of high-quality corporate bonds and considering the duration of the pension plan obligations. The Citigroup Pension Discount Curve is used in developing the discount rate for the U.S. Pension Plan.
        Weighted-average assumptions used to determine net periodic benefit cost are established at the beginning of the plan year and were as follows:
  
Pension Benefits
 
Other Benefits
 
Years Ended
December 31,
 
Years Ended
December 31,
  
2013
 
2012
 
2011
 
2013
 
2012
 
2011
Discount rate
3.26
%
 
4.03
%
 
5.59
%
 
3.75
%
 
4.29
%
 
5.28
%
Expected long term return on plan assets
5.22
%
 
5.65
%
 
6.91
%
 
—
%
 
—
%
 
—
%
Rate of compensation increase
3.59
%
 
4.00
%
 
4.02
%
 
3.48
%
 
3.94
%
 
3.94
%

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