Dunno about Scala, but Clojure - another JVM language, has a GraalVM native executable for Hello WOrld about 8MB.

Not that slim.

How does that compare to similar languages? (Go, Nim, D, etc).

For reference:

    $ \cat hellogo.go
    package main
    
    import "fmt"
    
    func main() {
      fmt.Println("hello")
    }
    $ go build hellogo.go
    $ \cat hellonim.nim
    echo "hello"
    $ nim c hellonim.nim
    ...
    $ ll
    total 2.2M
    -rwxr-xr-x 1 kbd staff 2.1M Apr 11 20:55 hellogo*
    -rw-r--r-- 1 kbd staff   66 Apr 11 20:42 hellogo.go
    -rwxr-xr-x 1 kbd staff  87K Apr 11 20:55 hellonim*
    -rw-r--r-- 1 kbd staff   13 Apr 11 20:29 hellonim.nim

Keep in mind these are the default compilation settings.

Not too bad if it's truly statically linked though ...