I think there are way more disadvantages to having an only child, for the child. Compared to the disadvantages of having a larger family, for the parents. You should decide which is worse for you and your spouse before deciding that you cannot raise 1 child, or even a small family.
Also includes an introduction by Milton Friedman and an afterword by Donald Boudreaux This article describes about the advantages and disadvantages of co education.
What are some advantages and disadvantages of ..
As children, my sister and I were always playing together. We would play all kinds of games. When we grew up, we exchange news about clothes and friends, and confide in each other. Of course, we often quarrel and bicker with each other. But our sibling bond is special. The only child has the disadvantage of not knowing this relationship. It must also be lonely at times not to have a companion of his generation in the family.