He argues that if transgender people are allowed to change their sex, he should be allowed to change his birth date.
Mr Ratelband claims he is discriminated against because of his age and encounters problems in Dutch society on a daily basis.
The judge said he sympathized with Rathelband - a neurolinguistic programming trainer who converted to Buddhism earlier this year - considering that changing one's gender was unthinkable in the past, according to the outlet. Why not your age? "I feel young, I am in great shape and I want this to be legally recognized because I feel abused, aggrieved and discriminated against because of my age".
"If I put on Tinder that I am 69, I will not get a response...[As] 49, with that face of mine, then I'm rammed", he said.
Ratelband argued that he is a "young god" and said changing his age would allow him to "live differently", saying he would get more matches on Tinder if he could put a younger age.
And he says his move would also be good news for the government as he would be renouncing his pension until he reaches retirement age again.
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A local court in the city of Arnhem, south-east of Amsterdam, is expected to rule on the case within four weeks.
You're only as old as you feel. "We can make our own decisions if we want to change our name, or if we want to change our gender. I can take up more work", he continued.
"I have done a check-up and what does it show?"
Ratelband cites several reasons as to why he wants to lower his age from 69 years to 49 years.
Mr Ratelband, who is a famous motivational speaker and media personality in The Netherlands, was born on March 11 1949.
"Maybe they say, 'You have weak muscles for 49 years, '" Ratelband muses. "Who was that little boy then?" the judge asked.