Below are the 10 most popular tweets of 2015. None of them are yours, we're afraid. It turns out the easiest way to get retweets is to be a member - or former member - of One Direction.

10) Caitlyn Jenner

I'm so happy after such a long struggle to be living my true self. Welcome to the world Caitlyn. Can't wait for you to get to know her/me.

— Caitlyn Jenner (@Caitlyn_Jenner) June 1, 2015

9) Spock's last tweet

A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP

— Leonard Nimoy (@TheRealNimoy) February 23, 2015

8) Kanye's motivational tweet

Please: Do everything you possibly can in one lifetime.

— KANYE WEST (@kanyewest) September 23, 2015

Things like crashing the stage at awards ceremonies...

7) Happy birthday, member of One Direction

Happy birthday @Real_Liam_Payne .. Have a great day man .... Here we are making strange faces pic.twitter.com/VgZRN7VIPs

— Niall Horan (@NiallOfficial) August 29, 2015

6) King of Saudi Arabia

أيها الشعب الكريم : تستحقون أكثر ومهما فعلت لن أوفيكم حقكم، أسال الله على أن يعينني وإياكم على خدمة الدين والوطن، ولاتنسوني من دعائكم.

— سلمان بن عبدالعزيز (@KingSalman) January 29, 2015

King Salman sent out this tweet of prayer and support for his people after he was crowned king of Saudia Arabia. He must be livid that he was beaten by...

5) Louis Tomlinson

Our fans support really has been a different class ! Huge love to you guys !!

— Louis Tomlinson (@Louis_Tomlinson) May 7, 2015

Huge love. Massive love. Retweet this for some reason.

4) Obama celebrates gay marriage

Today is a big step in our march toward equality. Gay and lesbian couples now have the right to marry, just like anyone else. #LoveWins

— President Obama (@POTUS) June 26, 2015

Nice tweet, celebrating the march of progress. Shame it was beaten by three One Direction tweets...

3) Some guy from One Direction says Wowwwww and talks about an amazing journey

Wowwwww 5 years 5 boys what an amazing journey I couldn't thank you all ever enough and thank you Louis Niall Harry and zayn for everything

— Liam (@Real_Liam_Payne) July 23, 2015

2) Another member of One Direction is proud of his boys

Proud of my boys the new single is sick. Big love. :) x

— zayn (@zaynmalik) August 1, 2015

1) Another dude from One Direction takes the top spot

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All the love as always. H

— Harry Styles. (@Harry_Styles) March 26, 2015

There you have it. Harry Styles is king of Twitter. Long live the king?