Population and ancestry history, for genealogy fans. Researching your family tree ?
Your
ancestors, and when they
were born ..........................
(assumes you are about 50 years old, and a generation
is 25 years)
| Year | Who was born in this year .. | How many were born | World population |
| 1950 | You |
1 |
2,520,000,000 |
| 1925 | Your parents |
2 |
2,070,000,000 |
| 1900 | Your Grandparents |
4 |
1,625,000,000 |
| 1875 | Great Grandparents |
8 |
1,440,000,000 |
| 1850 | 2 G Grandparents |
16 |
1,270,000,000 |
| 1825 | 3 G |
32 |
1,090,000,000 |
| 1800 | 4 G |
64 |
900,000,000 |
| 1775 | 5 G |
128 |
825,000,000 |
| 1750 | 6 G |
256 |
755,000,000 |
| 1725 | 7 G |
512 |
682,000,000 |
| 1700 | 8 G |
1,024 |
610,000,000 |
| 1675 | 9 G |
2,048 |
594,000,000 |
| 1650 | 10 G |
4,096 |
578,000,000 |
| 1625 | 11 G |
8,192 |
560,000,000 |
| 1600 | 12 G |
16,384 |
545,000,000 |
| 1575 | 13 G |
32,768 |
515,000,000 |
| 1550 | 14 G |
65,536 |
485,000,000 |
| 1525 | 15 G |
131,072 |
455,000,000 |
| 1500 | 16 G |
262,144 |
425,000,000 |
| 1475 | 17 G |
524,288 |
408,000,000 |
| 1450 | 18 G |
1,048,576 |
386,000,000 |
| 1425 | 19 G |
2,097,152 |
366,000,000 |
| 1400 | 20 G |
4,194,304 |
350,000,000 |
| 1375 | 21 G |
8,388,608 |
352,000,000 |