Table 4 Estimated birthplace-specific origin-destination flows under a quasi-independence model based on changes in hypothetical migrant stock data (shown in bold font) and a maximising assumption for the number of stayers on the diagonal cells (shown in italic font).
From: Bilateral international migration flow estimates for 200 countries
Birthplace | Origin (t) | Destination (t + 1) | ||||
|---|---|---|---|---|---|---|
A | B | C | D | Sum | ||
A | A |      95 |         0 |     2.5 |      2.5 |  100 |
B |         0 |         5 |     2.5 |      2.5 |      10 | |
C |          0 |         0 |       10 |       0 |      10 | |
D |          0 |         0 |       0 |       0 |      0 | |
Sum |     95 |         5 |      15 |       5 |  120 | |
B | A |      75 |      5 |       0 |       0 |    80 |
B |          0 | 180 |          0 |       0 |  180 | |
C |          0 |      5 |       5 |       0 |      10 | |
D |          0 |      35 |       0 |       55 |       90 | |
Sum |      75 | 225 |       5 |      55 | 360 | |
C | A |       30 |         0 |       0 |       0 |      30 |
B |     7.1 |         0 |       0 |      2.9 |      10 | |
C | 17.9 |         0 | 115 |      7.1 |  140 | |
D |          0 |         0 |       0 |       40 |      40 | |
Sum |     55 |         0 | 115 |      50 |  220 | |
D | A |      35 |         0 |     5.4 | 19.6 |      60 |
B |          0 |      25 |     9.6 | 35.4 |      70 | |
C |          0 |         0 |      10 |       0 |      10 | |
D |         0 |         0 |          0 |    160 | 160 | |
Sum |     35 |    25 |      25 |  215 | 300 | |
