Well, as of now, it's hard to say exactly how long the Boruto manga will be. It all depends on the author's plans and the story's development. But it's been building up a significant amount of content over time.
Boruto's strength in the manga is considerable. He's developed new jutsus and strategies, and has overcome many tough challenges. His potential keeps increasing as the story progresses.
In the manga, Boruto starts off as a pre-teen, approximately 12 years old. As the story progresses, his age gradually increases. But for the initial part, he's 12.
The number of Boruto manga varies over time. Currently, there are several volumes available, but you can check the latest updates on official manga platforms or comic stores for the most accurate count.
Yes, Boruto is indeed a manga. It expands on the Naruto universe and offers fresh perspectives and storylines. Many fans enjoy reading it to delve deeper into the world created by the series.