Babies born in 1999 are now 18 or 19 years old, as of May 14, 2018.
Based on the provided reference, individuals born in 1999 would have been either 18 or 19 years old in mid-May of 2018. This difference in age depends on their specific birth date within the year. For example:
- Someone born in January of 1999 would have turned 19 in early 2018.
- Someone born in December of 1999 would still be 18 in mid-May of 2018.
The reference clearly states that people born in 1999 were either 18 or 19 years old in mid-May of 2018, which is the most precise answer that can be extracted from the text.
