Table 4. Example of replacement rates from defined benefit plans with differing formulas
Benefit formula Benefit amount/Amount replaced 10 years 11 years 20 years 30 years

1 percent

Annual benefit $4,000 $4,400 $8,000 $12,000
Replacement rate 10 percent 11 percent 20 percent 30 percent

1 percent up to 10 years; 1.5 percent thereafter

Annual benefit $4,000 $4,600 $10,000 $16,000
Replacement rate 10 percent 11.5 percent 25 percent 40 percent

1 percent up to 10 years; 1.5 percent up to 20 years; 2 percent thereafter

Annual benefit $4,000 $4,600 $10,000 $18,000
Replacement rate 10 percent 11.5 percent 25 percent 45 percent

Note: All calculations assume final earnings of $40,000 per year.