(FDs) are a popular choice among senior citizens who want to invest their money in a low-risk scheme while earning stable returns. For senior citizens looking to lock in their savings for five years, a small change in interest rate can make a noticeable difference to the final maturity amount.Here's a look at the popular banks' FD interest rates on a 5-year tenure for senior citizens. Also know the approximate maturity amounts that you can get in these FDs on an investment of Rs 5 lakh in each.SBI senior citizen 5-year FD interest rateState Bank of India (SBI) offers a 7.05% interest rate on its 5-year fixed deposit scheme to senior citizens, including an additional 50 bps under the SBI We-care deposit scheme.If a person invests Rs 5 lakh for 5 years at 7.05%, the approximate maturity amount in the SBI senior citizen FD will be Rs 7,09,129, where the total interest earned will be approximately Rs 2,09,129.PNB senior citizen 5-year FD interest ratePunjab National Bank (PNB) offers a 6.80% interest rate on its 5-year fixed deposit scheme to senior citizens.If a senior citizen invests Rs 5 lakh for five years in the PNB fixed deposit scheme at an interest rate of 6.80%, the maturity amount will be approximately Rs 7,00,469. The total interest earned over the five-year period will be around Rs 2,00,469.Canara Bank senior citizen 5-year FD interest rateCanara Bank offers a 6.75% interest rate on its 5-year FD to senior citizens.If a senior citizen invests Rs 5 lakh for five years in the Canara Bank fixed deposit scheme at an interest rate of 6.75%, the maturity amount will be approximately Rs 6,98,749. The total interest earned over the five-year period will be around Rs 1,98,749.HDFC Bank senior citizen 5-year FD interest rateHDFC Bank offers an interest rate of 6.65% on its 5-year fixed deposit to senior citizens.If a senior citizen invests Rs 5 lakh for five years in the HDFC Bank fixed deposit scheme at an interest rate of 6.65%, the approximate maturity amount will be Rs 6,95,322. The total interest earned over the five-year period will be around Rs 1,95,322.ICICI Bank senior citizen 5-year FD interest rateICICI Bank offers a 7.1% interest rate on its 5-year senior citizen fixed deposit scheme.If a senior citizen invests Rs 5 lakh for five years in the Canara Bank 5-year FD at an interest rate of 7.1%, the maturity amount will be approximately Rs 7,10,873. The total interest earned over the five-year period will be around Rs 2,10,873.Axis Bank senior citizen 5-year FD interest rateAxis Bank offers a 7.25% interest rate on its 5-year fixed deposit to senior citizens.If a senior citizen invests Rs 5 lakh for five years in the Axis Bank fixed deposit at an interest rate of 7.25%, the maturity amount will be approximately Rs 7,16,130. The total interest earned over the five-year period will be around Rs 2,16,130.What is the maturity amount on Rs 5 lakh in 5-year SBI, PNB, HDFC Bank BankSenior citizen FD interest rateInvestmentMaturity amountTotal interest earnedAxis Bank7.25%Rs 5 lakhRs 7,16,130Rs 2,16,130State Bank of India (SBI)7.05%Rs 5 lakhRs 7,09,129Rs 2,09,129ICICI Bank7.10%Rs 5 lakhRs 7,10,873Rs 2,10,173Punjab National Bank (PNB)6.80%Rs 5 lakhRs 7,00,469Rs 2,00,469Canara Bank6.75%Rs 5 lakhRs 6,98,749Rs 1,98,749HDFC Bank6.65%Rs 5 lakhRs 6,95,322Rs 1,95,322Calculator: GrowwNumbers are only for illustrative purposes