- The Halloween tradition has spread throughout the world, to the United States, Canada, Australia, and Western Europe.
- The National Confectioners Association claims that a trick-or-treater’s bag will contain 75% chocolate and 25% other candies.
- According to Hallmark Cards, 65% of Americans will decorate their homes and offices for Halloween.
- Halloween ranks third in the list of top party occasions, following Christmas and New Year's Eve.
- Halloween is the holiday when the most candy is sold; it is second only to Christmas in total sales. North Americans spend over $20 million on Halloween candies yearly.
- The practice of trick-or-treating may have come from Medieval All Souls’ Day traditions in Britain, when poor people would beg for "soul cakes", a sweet-bread treat, and offer to pray for dead relatives in return.
- Costuming on Halloween originated in early Europe as a way for people to disguise and protect themselves from the spirits that were believed to be roaming the earth during winter nights.
- When trick-or-treating first started in the U.S. in the 1800s, it was more popular for children to play pranks than to ask for candy. By the 1950s the holiday had become a more friendly, family-oriented one.