When I retire, will my money be worth the same as it is today?
Sadly, no. Inflation happens, so you need to consider the loss of purchase power. Below is a chart comparing the cost of stamps, movie tickets and vehicles over the span of 40 years.1
It may be a good idea to increase your contribution to offset the impact of inflation on your money.
1 Assumed inflation rate of 3.5% 2 https://www.usps.com/business/prices.htm 3 National Association of Theater Owners, natoonline.org (2018). 4 https://mediaroom.kbb.com/average-new-car-prices-jump-2-percent-march-2018-suv-sales-strength-according-to-kelley-blue-book