21st Birthday Messages - 140 Birthday Wishes Ideas For Turning 21 (2024)

They used to say turning 21 was the key to the door. But if you're looking for a more meaningful way to say happy 21st birthday, we've got some brilliant 21st birthday messages you can use in a card, text or social media message.

Our 21st birthday t shirts are filled with fun, slogans and messages, but if you're looking for something to write in a card, we have you covered too.

Here's some funny and inspirational messages you can use for boys and girls turning 21 years old this year.

Jump to Section:

• General 21st Birthday Messages
• Funny 21st Birthday Messages
• Inspirational 21st Birthday Messages
• 21st Birthday Messages For Your Son
• 21st Birthday Messages For Your Daughter
• 21st Birthday Messages For A Boy
• 21st Birthday Messages For A Girl

General 21st Birthday Messages

Looking for a quick and easy way to say happy 21st birthday? Check out these general 21st Birthday messages for a birthday card.

1. Cheers to 21 years of awesome and the start of an epic adventure!
2. Now you're legal everywhere; the world is your playground!
3. Happy 21st! Time to enjoy the freedom and fun that comes with it.
4. May your 21st year be filled with laughter, love, and unforgettable moments.
5. Welcome to the club of 'Finally 21' – let the good times roll!
6. Turning 21 is like levelling up in the game of life. Enjoy the power-up!
7. It's your 21st birthday! Party hard, but remember to hydrate!
8. Now you can legally do all the things you've been doing for years. Enjoy responsibly!
9. Happy 21st! May your future be as bright as this special day.
10. Wishing you a wild and wonderful 21st birthday celebration!
11. At 21, you're officially an adult, but you don't have to act like one yet.
12. Congrats on reaching 21 – you're officially old enough to adult but still young enough to party!
13. May your 21st be filled with adventures, new beginnings, and fantastic memories.
14. Here's to 21 years of awesomeness and many more to come! Cheers!
15. Happy 21st! It's time to raise your glass and celebrate the amazing person you've become.
16. 21 and oh so much fun! Embrace the excitement of this special day.
17. It's your 21st birthday – now go out there and make some epic stories to tell!
18. At 21, the world is your oyster. Crack it open and savour every moment!
19. Cheers to 21 years of being awesome and the adventures that lie ahead!
20. Happy 21st! May your day be filled with laughter, love, and lots of cake!

Funny 21st Birthday Messages

Having a laugh on your 21st birthday is the way to go! If you've got a sense of humour, show it off with these funny 21st birthday messages.

1. Happy 21st! Don't worry; the hangovers get better with age, or so they say.
2. At 21, you're officially old enough to make questionable life choices. Enjoy the ride!
3. Congrats on reaching 21, where you can now legally enjoy both the finer and messier things in life.
4. It's your 21st birthday! Time to trade your fake ID for adulting... or not!
5. Welcome to the world of 'adulting,' where you can legally adult but still won't have it all together.
6. 21 is the age when you can finally get excited about home appliances. Welcome to the thrilling world of adulting!
7. Turning 21 is like getting a VIP pass to adulthood. Just don't lose it on your way to the party.
8. Happy 21st! Now you can legally do all the things you've been doing for years... with slightly less guilt!
9. At 21, you're like a fine wine – more expensive, a little bubbly, and best enjoyed with friends.
10. Cheers to 21 years of preparing for adulthood – the training wheels are officially off!
11. Turning 21 is like levelling up in a video game, but this time you get extra responsibilities.
12. Now that you're 21, you're not just older; you're also closer to complaining about 'kids these days.'
13. Happy 21st! You're officially allowed to make bad decisions without blaming it on your age anymore.
14. May your 21st be filled with fun, laughter, and fewer 'I can't believe I did that' moments... or not.
15. Welcome to the age of wisdom, where you'll realize how little you actually know. Happy 21st!
16. Congrats on 21 years of pretending to be an adult. Now you can pretend with a fancy co*cktail in hand!
17. At 21, you're old enough to know better but still young enough to do it anyway. Enjoy the paradox!
18. Turning 21 is like a rite of passage. Now you can officially be held accountable for your shenanigans.
19. Happy 21st! You've unlocked the 'Adulting' achievement, but it's okay to save that for later.
20. May your 21st year be filled with laughter, love, and ridiculous stories that will embarrass you in the future!

Inspirational 21st Birthday Messages

Give someone a little bit of inspiration on their 21st birthday with these inspirational quotes for a 21st birthday.

1. Happy 21st birthday! You've reached an age of endless possibilities and boundless potential.
2. As you turn 21, remember that the future is yours to shape. Embrace each day with courage and determination.
3. Congratulations on reaching this significant milestone! May your 21st year be a journey of self-discovery and personal growth.
4. Wishing you a year filled with opportunities, dreams realized, and aspirations achieved. The world is yours to explore.
5. At 21, you have the power to set your own course in life. May your journey be filled with love, laughter, and success.
6. Happy 21st! You're standing on the threshold of a remarkable adventure. Embrace the challenges and savour the victories.
7. Now that you're 21, your dreams are within reach. Believe in yourself and the incredible potential that lies within you.
8. May your 21st year be marked by personal growth, resilience, and the courage to face life's challenges with a smile.
9. Your 21st birthday is a celebration not just of the day you were born but also of the incredible person you've become.
10. As you step into adulthood, remember that you have the power to create the life of your dreams. Seize every opportunity!
11. Happy 21st! May your path be filled with wisdom, compassion, and a heart full of dreams waiting to be realized.
12. At 21, you're like a blank canvas. Use your unique brush strokes to paint a life that reflects your deepest desires.
13. Your 21st birthday is a reminder of the potential that lies within you. Keep reaching for the stars and never stop believing in your own strength.
14. Wishing you a year filled with personal growth, incredible achievements, and the courage to pursue your passions. Your journey is just beginning!
15. At 21, the world is your playground. Explore, learn, and make your mark on it with your unique talents and spirit.
16. Happy 21st! Your future is a blank canvas, and you hold the paintbrush. Embrace each day with enthusiasm and a sense of purpose.
17. Turning 21 is like unlocking a new level in the game of life. Approach it with confidence and a sense of adventure.
18. Your 21st birthday is a milestone worth celebrating. It's the age of endless possibilities, so dare to dream big and reach for the stars!
19. As you celebrate this significant milestone, may you find the courage to chase your dreams and the wisdom to make the most of every opportunity that comes your way.
20. Happy 21st! Your journey into adulthood is a blank canvas. Paint it with the colours of your dreams and fill it with the adventures of a lifetime.

21st Birthday Messages For Your Son

Son turning 21 and don't know what to write in their card? Fear not! Check out these 21st birthday messages that you can use on social media or writing in his card this year.

1. Happy 21st birthday, my dear son! You've grown into an incredible young man, and I'm so proud of you.
2. As you celebrate your 21st, know that you'll forever be my little boy, no matter how old you get.
3. Congrats on reaching this major milestone! May your 21st year be filled with love, laughter, and endless adventures.
4. Wishing my son a 21st year as bright and cheerful as your smile. Keep shining, and the world will be a better place.
5. At 21, you've officially crossed into adulthood, but you'll always have a special place in my heart as my little boy.
6. Happy 21st! Your journey has been a joy to watch, and I can't wait to see where life takes you next.
7. Now that you're 21, may your dreams take flight and your spirit remain forever young. Keep chasing your passions!
8. My dear son, your 21st is a reminder of the love and happiness you've brought into our lives. Here's to many more amazing years ahead!
9. As you step into adulthood, remember that I'm here to support and guide you every step of the way. Your success is my joy.
10. Happy 21st! You're officially an adult, but you'll always be the little boy who made my heart full of love and pride.
11. At 21, you're a wonderful blend of strength and kindness. The world is lucky to have you, my dear son.
12. May your 21st year be filled with dreams realized, goals achieved, and a heart that's forever young and full of wonder.
13. Happy 21st birthday to the boy who fills our lives with joy and our hearts with love. You are our greatest gift.
14. Your 21st is a reminder of all the incredible moments we've shared and the bright future ahead. Keep shining, my son!
15. As you celebrate this special day, know that your dreams are my dreams, and your happiness is my greatest reward.
16. At 21, you're not just older; you're also wiser, stronger, and more amazing with each passing day. Keep being you!
17. Happy 21st! Your journey is just beginning, and I'm excited to see all the wonderful adventures that lie ahead for you.
18. Your 21st birthday is a celebration of the incredible person you've become. Your kindness and charm make us proud every day.
19. As you enter the world of adulthood, may your spirit remain youthful and your dreams never cease to inspire us all. Happy 21st!
20. Happy 21st to the most wonderful son! Your journey into adulthood is a source of endless joy and love in our lives.

21st Birthday Messages For Your Daughter

When your daughter is turning 21 years of age you'll want to get the messaging right. Here's some cute 21st birthday quotes and messages you can use on her card or social media this year.

1. Happy 21st birthday, my sweet daughter! You've blossomed into an amazing young woman, and I'm so proud of you.
2. As you celebrate your 21st, remember that you'll always be my little girl, no matter how old you get.
3. Congrats on reaching this major milestone! May your 21st year be filled with love, laughter, and incredible adventures.
4. Wishing my daughter a 21st year as bright and beautiful as her spirit. Keep shining, and you'll light up the world.
5. At 21, you've officially stepped into adulthood, but you'll always have a special place in my heart as my precious daughter.
6. Happy 21st! Your journey has been a joy to watch, and I can't wait to see the wonderful path life takes you on next.
7. Now that you're 21, may your dreams take flight, and your heart remain forever young. Keep pursuing your passions!
8. My dear daughter, your 21st is a reminder of the love and joy you've brought into our lives. Here's to many more incredible years ahead!
9. As you embrace adulthood, remember that I'm here to support and guide you every step of the way. Your success is my happiness.
10. Happy 21st! You're officially an adult, but you'll always be the little girl who made my heart full of love and pride.
11. At 21, you're a delightful mix of strength and kindness. The world is brighter with you, my dear daughter.
12. May your 21st year be filled with dreams realized, goals achieved, and a heart that's forever young and full of wonder.
13. Happy 21st birthday to the girl who fills our lives with joy and our hearts with love. You are our greatest treasure.
14. Your 21st is a reminder of all the extraordinary moments we've shared and the bright future ahead. Keep shining, my daughter!
15. As you celebrate this special day, know that your dreams are my dreams, and your happiness is my greatest reward.
16. At 21, you're not just older; you're also wiser, stronger, and more remarkable with each passing day. Keep being you!
17. Happy 21st! Your journey is just beginning, and I'm excited to witness all the incredible adventures that lie ahead for you.
18. Your 21st birthday is a celebration of the remarkable person you've become. Your kindness and grace make us proud every day.
19. As you enter the world of adulthood, may your spirit remain youthful, and your dreams continue to inspire us all. Happy 21st!
20. Happy 21st to the most wonderful daughter! Your journey into adulthood is a source of endless joy and love in our lives.

21st Birthday Messages For A Boy

If you know a boy turning 21 years old, try these messages for inside his birthday card or his social media.

1. Happy 21st, young man! You're officially an adult now, but you don't have to act like one just yet.
2. Congrats on turning 21! Now you can legally do all the things you've been doing for years, but with fewer excuses.
3. 21 and fun has just begun! Let the good times roll and the adventures unfold.
4. Wishing you a 21st year filled with excitement, laughter, and countless epic stories to tell.
5. At 21, you've got the key to the world. Now, open some doors, explore new horizons, and create amazing memories!
6. Happy 21st! You're officially allowed to make bad decisions without blaming them on your age anymore.
7. Now that you're 21, you're not just older; you're also eligible for adult-ish privileges. Enjoy responsibly!
8. Cheers to 21 years of preparation for adulthood. Let's see what kind of grown-up you become!
9. Turning 21 is like a rite of passage. Now you can officially be held accountable for your shenanigans.
10. Happy 21st to the guy who's a blend of strength, charm, and a touch of youthful mischief. Keep being awesome!
11. At 21, you're not just a year older; you're a year wiser, or so they say. Let's see what wisdom you've gathered!
12. May your 21st year be filled with personal growth, fun, and a remarkable number of 'I can't believe I did that' moments.
13. Welcome to the age of wisdom, where you'll realize how little you actually know. Embrace it with a sense of humour!
14. Happy 21st! You're a delightful mix of adventure and ambition. Keep reaching for the stars, my friend.
15. Your 21st birthday is a reminder of the incredible person you've become. Keep shining and lighting up the world.
16. As you celebrate this milestone, may you find the courage to chase your dreams and the laughter to enjoy the journey.
17. At 21, you're not just another year older; you're a year closer to complaining about 'kids these days.'
18. Congrats on reaching 21, where you can legally enjoy the best of both worlds – adulthood and youthful enthusiasm.
19. Happy 21st! May your future be as bright as this special day, and your spirit remain forever young.
20. Your 21st is like a blank canvas. Paint it with colours of adventure, friendship, and laughter. Create a masterpiece!

21st Birthday Messages For A Girl

For girls turning 21 years old, check out these 21st birthday messages for any girl which you can use to write in a card, text or social media post.

1. Happy 21st, young lady! You've officially crossed the threshold into adulthood. It's time to conquer the world with your charm and grace.
2. Turning 21 is like opening a new chapter in your life. May your story be filled with love, laughter, and countless adventures.
3. Wishing you a 21st year that's as fabulous and fierce as you are. Keep dazzling the world with your incredible spirit.
4. At 21, you have the power to follow your dreams and make them a reality. Don't hold back; the world is your stage!
5. Happy 21st, darling! You've blossomed into an amazing young woman. May your future be as bright as your smile.
6. Cheers to 21 years of living life your way and dancing to your own tune. Keep being the incredible person you are!
7. Now that you're 21, you can legally do all the things you've been doing for years, but with a touch of sophistication.
8. 21 and fabulous! May your year be filled with exciting experiences, fabulous friendships, and unforgettable moments.
9. Turning 21 is like stepping onto the runway of adulthood. Strut your stuff and take the world by storm, my stylish friend.
10. Happy 21st to the girl who embodies strength, grace, and the perfect amount of sparkle. Keep shining and dazzling us all.
11. At 21, you're not just a year older; you're a year more confident, and it suits you perfectly.
12. May your 21st year be filled with personal growth, unforgettable memories, and a dash of 'I can't believe we did that' moments.
13. Welcome to the age of wisdom and whimsy, where you'll discover that growing up doesn't mean growing old. Embrace it with joy!
14. Happy 21st, you trendsetter! You're a delightful mix of ambition and adventure. Keep reaching for the stars and setting trends.
15. Your 21st birthday is a reminder of the remarkable woman you've become. Continue to inspire with your kindness and charisma.
16. As you celebrate this milestone, may you find the courage to chase your dreams and the laughter to enjoy every moment along the way.
17. At 21, you're not just a year older; you're a year closer to making the world your own. We can't wait to see what you'll do!
18. Congrats on reaching 21, where you can legally enjoy the best of both worlds – the exuberance of youth and the freedom of adulthood.
19. Happy 21st! May your future be as dazzling as this special day, and your spirit remain forever young and full of wonder.
20. Your 21st is like an empty canvas. Paint it with colours of laughter, adventures, and friendships. Create a masterpiece of a year!

And there you have it, a huge list of quotes and 21st birthday messages you can use right now. Put these into birthday cards, text messages and social media posts for that special someone you know is turning 21 years of age this year.

You can check out more birthday messages for all ages if you're looking for ideas on what to write.