As a result, the gap and possibility to keep up (or even reach and surpass) the 3 year old player is more than realistic, especially since the more you train, the more you are specializing - or getting more versatile. Therefore, as a new player you can quite quickly approach competitive levels with much older players in certain fields.
However, on to the good stuff, data mining! Here is the breakdown of skillpoints of active characters on Tranquility:
between 0 and 1 million skillpoints: 358353
between 1 and 2 million skillpoints: 14035
between 2 and 3 million skillpoints: 8149
between 3 and 4 million skillpoints: 5826
between 4 and 5 million skillpoints: 4696
between 5 and 10 million skillpoints: 14859
between 10 and 15 million skillpoints: 9875
between 15 and 20 million skillpoints: 7861
between 20 and 25 million skillpoints: 6194
between 25 and 30 million skillpoints: 4373
between 30 and 35 million skillpoints: 2568
between 35 and 40 million skillpoints: 1313
between 40 and 45 million skillpoints: 257
between 45 and 50 million skillpoints: 4
between 50 and 55 million skillpoints: 7
between 55 and 60 million skillpoints: 1