I'm 47 years old running around after a 1 year old girl. I do not recommend.
My parents live too far away to help, and are a bit old. Wife's parents are waay too old and infirm to assist anymore. Basically we're on our own for the most part (apart from sister in law but she can only do so much as she's looking after the in-laws too).
Like I say, I do NOT recommend having kids later in life. Do NOT do it!