Three decades of NS&I inflation-proof savings

About £8.7bn is currently invested by some 600,000 people in the three and five-year product, which has seen its maximum investment rise from £500 in 1975 to £15,000 today. That original sum invested would be worth £4,781 today cmopared with £2,565 from a typical savings account, NS&I says. Current five-year certificates pay RPI+1.05%, or 4.25%, while the three-year ones pay RPI+0.95%, or 4.15%. NS&I says the cost of the typical shopping basket has gone up by 530% in the past 30 years. Then the ingredients of a family breakfast would leave change from a pound, wheras today it would co...