Table 7.
Summary statistics for bilateral migration flows over five-year periods between 1990 and 2015 based on six flow estimation methods. All numbers except the Proportion Zero are in units of individuals per five years. N is the number of migration corridors modelled: 200 countries of origin × 200 countries of destination × 5 quinquennial intervals.
Stock Difference Drop Negative | Stock Difference Reverse Negative | Migration Rates | Demographic Accounting Minimisation Open | Demographic Accounting Minimisation Closed | Demographic Accounting Pseudo Bayesian Closed | |
---|---|---|---|---|---|---|
N | 200,000 | 200,000 | 200,000 | 200,000 | 200,000 | 200,000 |
Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
Median | 0 | 0 | 0 | 0 | 0 | 0 |
Mean | 675 | 883 | 1,326 | 853 | 976 | 1,928 |
Maximum | 2,763,183 | 2,763,183 | 3,492,367 | 2,865,526 | 2,899,536 | 3,918,816 |
Std. Dev. | 15,322 | 17,770 | 22,710 | 17,470 | 16,926 | 25,492 |
Proportion Zero | 0.82 | 0.79 | 0.76 | 0.72 | 0.7 | 0.53 |
Mean (non-zero) | 3,788 | 4,112 | 5,513 | 3,025 | 3,206 | 4,096 |
Std. Dev. (non-zero) | 36140 | 38167 | 46061 | 32801 | 30564 | 37039 |