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 | 140,638 |
| in | 27 | 55,889 |
| es | 24 | 33,642 |
| de | 21 | 18,846 |
| it | 18 | 14,097 |
| jp | 16 | 9,241 |
| ca | 13 | 16,149 |
| nl | 12 | 9,732 |
| gb | 11 | 10,118 |
| ng | 11 | 8,919 |
| au | 10 | 16,525 |
| fr | 9 | 8,626 |
| br | 8 | 12,764 |
| id | 7 | 11,810 |
| ch | 7 | 4,066 |
| ph | 6 | 7,470 |
| np | 5 | 4,213 |
| co | 5 | 6,841 |
| fi | 5 | 3,139 |
| mx | 4 | 6,593 |
| pk | 4 | 14,039 |
| rs | 4 | 4,850 |
| cr | 3 | 5,156 |
| pl | 3 | 1,900 |
| dk | 3 | 2,196 |
| gr | 3 | 3,837 |
| bd | 3 | 4,930 |
| ro | 3 | 2,638 |
| ma | 2 | 2,458 |
| ug | 2 | 3,994 |
| ve | 2 | 857 |
| tw | 2 | 3,672 |
| ec | 2 | 2,650 |
| zw | 2 | 1,006 |
| bg | 2 | 994 |
| th | 2 | 3,715 |
| ar | 2 | 3,280 |
| ke | 2 | 3,614 |
| pt | 2 | 4,951 |
| vn | 2 | 1,868 |
| be | 2 | 1,111 |
| cm | 2 | 1,000 |
| eg | 1 | 2,332 |
| sz | 1 | 154 |
| sa | 1 | 2,785 |
| il | 1 | 344 |
| uy | 1 | 1,009 |
| sv | 1 | 664 |
| se | 1 | 2,218 |
| rw | 1 | 760 |
| tr | 1 | 1,747 |
| lr | 1 | 444 |
| bo | 1 | 732 |
| ua | 1 | 1,954 |
| mk | 1 | 981 |
| hk | 1 | 4,006 |
| cz | 1 | 506 |
| lt | 1 | 1,065 |
| tt | 1 | 668 |
| cl | 1 | 1,519 |
| my | 1 | 1,709 |
| jm | 1 | 794 |
| ni | 1 | 1,140 |
| lv | 1 | 438 |
| kh | 1 | 881 |
| pe | 1 | 441 |
| gh | 1 | 2,212 |
| za | 1 | 2,473 |
| sg | 1 | 2,953 |
| gt | 1 | 282 |
| si | 1 | 825 |
| tn | 1 | 456 |
| at | 1 | 1,982 |
| Total | 418 | 514,508 |
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 | 13,048 |
| jp | 15 | 6,115 |
| ng | 4 | 2,943 |
| in | 3 | 1,243 |
| it | 3 | 1,985 |
| de | 3 | 2,723 |
| np | 3 | 1,492 |
| es | 3 | 2,041 |
| ma | 2 | 2,458 |
| cr | 2 | 1,179 |
| fr | 2 | 2,856 |
| dk | 2 | 526 |
| gb | 2 | 1,084 |
| id | 2 | 2,074 |
| ph | 2 | 928 |
| eg | 1 | 2,332 |
| pl | 1 | 407 |
| ug | 1 | 1,341 |
| ve | 1 | 469 |
| sz | 1 | 154 |
| sa | 1 | 2,785 |
| il | 1 | 344 |
| uy | 1 | 1,009 |
| mx | 1 | 805 |
| sv | 1 | 664 |
| br | 1 | 2,054 |
| tw | 1 | 948 |
| se | 1 | 2,218 |
| ec | 1 | 1,698 |
| rw | 1 | 760 |
| nl | 1 | 421 |
| zw | 1 | 221 |
| bg | 1 | 470 |
| tr | 1 | 1,747 |
| Total | 83 | 63,542 |