Why it costs so much to attend a wedding

Source: Shutterstock

Source: Shutterstock

Bad news for people who are at the age where everyone they know seems to be getting married. Being a wedding guest these days is not cheap.

The average guest will spend $592 this year–75 percent more than in 2012, according to the American Express Spending & Savings Tracker. What’s making things so expensive? Experts say some of the increase represents an overall spending boost as the economy improves. The rest comes down to decisions the happy couple makes when planning their Big Day, so tally the costs before sending in your RSVP.

Check out the slideshow at CNBC for seven factors that boost your cost of attendance.