They charm audiences on TV talk shows, spend their spare time watching sumo wrestling and crack each other up with jokes about how many teeth they have left.

At 106, Japan's oldest twins are still going strong.On Monday, the pair - Kin and Gin, or "Gold" and "Silver" - received 106 tulip bulbs from a tulip association to honor them ahead of Tuesday's national Respect for the Aged Day.

"It's nice to be able to live this long, but the truth is that . . . nobody up there wants to invite me, so I can't go," Gin Kanie told Associated Press Television with a wide, wrinkled grin.

The sharp-witted female twins who live in the central Japanese city of Nagoya, 190 miles west of Tokyo, are often cited as examples of graceful aging in a society that reveres the elderly.

Graceful aging is becoming more important these days in Japan.

On Monday, the government announced that more than 20 million Japanese are 65 or older - a record high. A quarter of the population will be elderly by 2015, according to government projections.

Kin Narita has five surviving children and lives with her youngest son, Yukio, 67, and his family.

Gin, who lives 20 minutes away, has four daughters and lives with her youngest daughter, Mineyo, 74.