People in the UK and US spend billions on Valentine's Day each year, with the majority of Valentine's cards, flowers, candy, and meals being purchases for romantic partners. Over 180 million cards are sent in the US alone, with 82% for partners, 5% for children, 3% for parents, and 4% for friends. Flowers are the most popular gift choice after cards, with 196 million roses being produced for Valentine's Day in the US and over £260 million spent on flowers in the UK. Approximately 11,000 children are conceived each Valentine's Day.