The number of meetup groups in the Chapter program on a given date and the number of groups that joined during a given time period.
Total meetup groups in the chapter program as of Dec 31st, 2018
| Country | # of Groups | # of Members (non-unique) |
| us | 114 | 121,063 |
| in | 27 | 49,257 |
| es | 24 | 30,314 |
| de | 21 | 16,587 |
| it | 18 | 11,711 |
| jp | 16 | 8,310 |
| ca | 13 | 14,131 |
| nl | 12 | 8,469 |
| gb | 11 | 9,064 |
| ng | 11 | 7,553 |
| au | 10 | 14,593 |
| fr | 9 | 7,704 |
| br | 8 | 10,042 |
| id | 7 | 8,710 |
| ch | 7 | 3,770 |
| ph | 6 | 6,489 |
| np | 5 | 3,871 |
| co | 5 | 5,467 |
| fi | 5 | 2,714 |
| mx | 4 | 5,497 |
| pk | 4 | 10,130 |
| rs | 4 | 3,806 |
| cr | 3 | 4,065 |
| pl | 3 | 1,743 |
| dk | 3 | 1,825 |
| gr | 3 | 3,115 |
| bd | 3 | 3,634 |
| ro | 3 | 2,295 |
| ma | 2 | 2,432 |
| ug | 2 | 3,620 |
| ve | 2 | 547 |
| tw | 2 | 3,193 |
| ec | 2 | 2,029 |
| zw | 2 | 758 |
| bg | 2 | 805 |
| th | 2 | 2,913 |
| ar | 2 | 2,528 |
| ke | 2 | 2,779 |
| pt | 2 | 4,543 |
| vn | 2 | 961 |
| be | 2 | 944 |
| cm | 2 | 650 |
| eg | 1 | 2,086 |
| sz | 1 | 95 |
| sa | 1 | 2,531 |
| il | 1 | 281 |
| uy | 1 | 836 |
| sv | 1 | 566 |
| se | 1 | 2,000 |
| rw | 1 | 742 |
| tr | 1 | 1,455 |
| lr | 1 | 174 |
| bo | 1 | 537 |
| ua | 1 | 1,427 |
| mk | 1 | 849 |
| hk | 1 | 3,323 |
| cz | 1 | 435 |
| lt | 1 | 907 |
| tt | 1 | 321 |
| cl | 1 | 1,427 |
| my | 1 | 1,354 |
| jm | 1 | 529 |
| ni | 1 | 900 |
| lv | 1 | 387 |
| kh | 1 | 523 |
| pe | 1 | 333 |
| gh | 1 | 2,235 |
| za | 1 | 2,136 |
| sg | 1 | 2,627 |
| gt | 1 | 301 |
| si | 1 | 695 |
| tn | 1 | 277 |
| at | 1 | 1,770 |
| Total | 418 | 438,690 |
New meetup groups that joined the chapter program between Jan 1st, 2018 and Dec 31st, 2018
| Country | # of Groups | # of Members (non-unique) |
| us | 16 | 11,327 |
| jp | 15 | 5,555 |
| ng | 4 | 3,070 |
| in | 3 | 1,492 |
| it | 3 | 1,689 |
| de | 3 | 2,248 |
| np | 3 | 1,628 |
| es | 3 | 2,055 |
| ma | 2 | 2,432 |
| cr | 2 | 927 |
| fr | 2 | 2,543 |
| dk | 2 | 436 |
| gb | 2 | 986 |
| id | 2 | 1,938 |
| ph | 2 | 733 |
| eg | 1 | 2,086 |
| pl | 1 | 510 |
| ug | 1 | 1,312 |
| ve | 1 | 281 |
| sz | 1 | 95 |
| sa | 1 | 2,531 |
| il | 1 | 281 |
| uy | 1 | 836 |
| mx | 1 | 906 |
| sv | 1 | 566 |
| br | 1 | 1,758 |
| tw | 1 | 813 |
| se | 1 | 2,000 |
| ec | 1 | 1,425 |
| rw | 1 | 742 |
| nl | 1 | 338 |
| zw | 1 | 185 |
| bg | 1 | 421 |
| tr | 1 | 1,455 |
| Total | 83 | 57,600 |