Since the first settlement of the British colonies, the number of inhabitants has about doubled every twenty-two years. I perceive no causes which are likely to check this progressive increase of the Anglo-American population for the next hundred years; and before that space of time has elapsed, I believe...the United States will be covered by more than 100,000,000 of inhabitants and divided into forty states.-DiA 460-1.
One hundred years after publication, in 1935, the U.S. population stood at 127,000,000. "Before that," in 1915, it had hit 100,000,000. The fortieth state came much quicker than Tocqueville predicted, South Dakota in 1889.
