Turning 21 is a momentous occasion for any young man. For your brother, it represents the end of his teenage years and the beginning of his journey into adulthood. As he embarks on this new chapter in his life, it’s important to let him know how much you care about him and wish him all the best for the future.

21st birthday wishes for your brother should be thoughtful, heartfelt, and maybe even a little funny. Take inspiration from the examples below to write your own special message. On your brother’s 21st birthday, let him know how much you admire and respect him. Wish him all the best as he enters adulthood and continues to be there for him every step of the way.

21st birthday Wishes for Brother

I hope that your 21st birthday brings you joy, peace, and happiness as I do. I love you, big bro. Happy birthday!

Happy 21st Birthday! You are officially an adult. I know that you’ve faced some challenges these past few years, but I want you to know that I will always support you, and I hope you always do the same for me.

We have always been close. I love that you are as loyal as a dog and as loving as a teddy bear. Happy 21st birthday. I love you, bro.

Happy 21st Birthday! I am so proud of you for accomplishing this milestone in your life. I am beyond happy that you are such a wonderful person, and have made me proud to call you my brother!

Happy 21st birthday, dear brother! You have filled our family with happiness and laughter for so many years, and we wish you all the best on this special day. May you have continued health, happiness, and success in everything you do. We love you very much!

It’s your 21st birthday today, and you’re officially an adult! You’ve been working so hard to get to this point in your life, and I couldn’t be more proud of you. I know that you will continue to achieve great things in the years ahead.

Happy birthday, bro! I hope that this is just the beginning of a long and happy adulthood for you. Enjoy every moment – you deserve it! Wishing you all the best on your special day. Love brotherly hugs!

Brother, today is your 21st birthday! You are now a legal adult in the eyes of the law. It seems just like yesterday you were learning to walk and talk. Now you are a full-fledged adult with all the responsibilities and privileges that come with it. We are so proud of the man you have become and we wish you all the best on this special day. May God bless you abundantly and keep you safe always. Congratulations! We love you very much!

To my dear brother on your 21st birthday…May life bring you everything that brings a smile to your face! Be happy and enjoy every minute of this wonderful day! Wishing you all the joy your heart can hold on your special day! Have a fantastic time! Happy 21st birthday!

Oh how time flies! It feels like only yesterday we were kids running around causing mischief together. Now you’re a grown man about to embark on an exciting new phase of your life. I wish you all the best on this special day and in the years ahead. May all your dreams come true! Happy birthday! 

On a special day like your 21st birthday we want to let you know how much we love and appreciate you. You’re such a special person with so much to give, and we can’t wait to see all the wonderful things you will achieve in life. We are proud of the man you have become and wish nothing but happiness for you on this momentous occasion. Here’s to a bright future filled with all the joys that life has to offer! Happy 21st birthday, brother! 

21st Birthday Wishes for Brother from Sister

Happy birthday! The first year of your 21st decade is sure to be full of excitement. I hope that you will remember your special day for many, many years to come. You are so very blessed. I’m honored to be your big sister.

Your 21st birthday is an occasion that I look forward to every year. It reminds me that I am a big sister to one of the coolest kids around. You are so special, and your birthdays are always memorable.

I’m so glad to have you as my brother. I wish I had more time to hang out with you, but I guess that’s what makes you such an awesome brother to me. Happy Birthday!

I’m proud to say that no matter where life takes you, I will always be proud of the great brother you are. You’re an inspiration, not only to me but to all those around you. Happy 21st birthday, bro!

It’s hard for me to believe that your 21st birthday has already come around. You’ve grown up way faster than I’ve expected. I guess that’s because I’m so much younger than you. I know that you’ll always be there for me, so it’s hard for me to imagine life without you in it. Happy birthday!

On your 21st birthday, I wish that you’re living every moment with joy and laughter. I wish that you’ll be surrounded by wonderful memories of our past adventures and a bright future filled with your own wonderful ones.

Happy 21st birthday, bro! You don’t know what an inspiration you are to everyone in the family. You’re a great friend to everyone, but to me you’re the greatest friend I’ve ever had. Thank you for always being there for me, for everything that you do. I love you so much!

HAPPY BIRTHDAY, bro!! Thank you so much for being such a wonderful brother to me, especially these past few years. I can’t believe that you’ll be 21!

Happy 21st birthday to the sweetest, most special, and handsome brother that I’ve known for as long as I can remember.

21st Birthday Wishes for Big Brother

Happy 21st birthday, Big Bro! You always has my back through the good times and bad. You made me the best sister in the whole world! You are so kind and thoughtful, and I love you so very much!

May this new decade bring you peace and happiness. And may each year be filled with love and gratitude. Happy 21st birthday, big bro!

I love you. Thank you for being such a good brother. I always know where to find you whenever I need you! Happy 21st birthday, Big Bro!

Today is your 21st birthday, the start of a new adventure in your life. I am so proud of you, and I can’t wait to watch you succeed in everything you attempt. Happy birthday to my big brother!

You are such a talented man. And I’m so proud of you for everything you have achieved. Thanks for always making me laugh. I love you so much. Happy 21st birthday, Big Bro!