Sales for the National Lottery’s main Lotto draw fell 3% last year as the popularity of scratchcard games increased.

Ticket sales for the twice-weekly game slumped from £2.86bn to £2.75bn in the year to 1 April, according to the National Lottery Commission, although sales were stronger in the second half. The National Lottery Commission said it was monitoring the decline and was in ongoing discussions with Camelot to find out how it was managing the fall in sales. Lotto sales remained the key contributor to good causes, it added.

Scratchcard sales rose from £927m to £1.11bn during the period, helping overall sales rise 1%. Euromillions, Daily Play and Dream Number ticket sales also rose, but Thunderball sales fell from £330m to £309m. The fall in sales for the main draw will concern retailers, who get 5% commission on all ticket sales and 1% commission on prizes paid between £10 and £200.

“Our strategy has always been based on growing overall sales – introducing new games to counter the trend of falling Lotto sales,” said a Camelot spokesman.