• About 85,000 same-sex couples nationwide have entered into a legally recognized relationship -- about 40 percent of couples living in states where such unions are legal and about 10 percent of all the nation's same-sex couples.*
• More than 27,000 same-sex American couples have been legally married nationwide (at least 16,000 in California and 11,000 in Massachusetts).*
• On Election Day this week, three states voted to add constitutional amendments banning gay marriage -- Arizona, Florida and California.
• The highest-profile of these amendments was the narrowly passed Proposition 8 in California, where gay marriage was legalized in May. California, the nation's most populous state, is seen as a harbinger of social change and was a hot destination this year for marriage-minded gays and lesbians.
• There are now 29 states with explicit constitutional bans on gay marriage, most passed within the past four years. They include Wisconsin, North Dakota and South Dakota.
• Minnesota and Iowa are among 15 states with laws restricting marriage to one man and one woman.
• Gay marriages are now legal in two states -- Massachusetts (since May 2004) and Connecticut (begins Wednesday) -- as well as in Canada (since 2005).
• Civil unions are legally recognized in New Hampshire, New Jersey and Vermont.