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 | 121,383 |
| in | 27 | 51,052 |
| es | 24 | 30,964 |
| de | 21 | 16,837 |
| it | 18 | 12,022 |
| jp | 16 | 8,691 |
| ca | 13 | 14,130 |
| nl | 12 | 8,620 |
| gb | 11 | 9,167 |
| ng | 11 | 7,954 |
| au | 10 | 14,710 |
| fr | 9 | 7,740 |
| br | 8 | 10,251 |
| id | 7 | 9,112 |
| ch | 7 | 3,825 |
| ph | 6 | 6,699 |
| np | 5 | 4,293 |
| co | 5 | 5,493 |
| fi | 5 | 2,786 |
| mx | 4 | 5,569 |
| pk | 4 | 10,415 |
| rs | 4 | 3,824 |
| cr | 3 | 4,237 |
| pl | 3 | 1,791 |
| dk | 3 | 1,840 |
| gr | 3 | 3,135 |
| bd | 3 | 3,879 |
| ro | 3 | 2,406 |
| ma | 2 | 2,477 |
| ug | 2 | 3,763 |
| ve | 2 | 566 |
| tw | 2 | 3,290 |
| ec | 2 | 2,033 |
| zw | 2 | 773 |
| bg | 2 | 905 |
| th | 2 | 2,937 |
| ar | 2 | 2,552 |
| ke | 2 | 2,825 |
| pt | 2 | 4,595 |
| vn | 2 | 980 |
| be | 2 | 951 |
| cm | 2 | 688 |
| eg | 1 | 2,087 |
| sz | 1 | 107 |
| sa | 1 | 2,533 |
| il | 1 | 281 |
| uy | 1 | 841 |
| sv | 1 | 569 |
| se | 1 | 2,000 |
| rw | 1 | 764 |
| tr | 1 | 1,454 |
| lr | 1 | 176 |
| bo | 1 | 547 |
| ua | 1 | 1,438 |
| mk | 1 | 861 |
| hk | 1 | 3,357 |
| cz | 1 | 434 |
| lt | 1 | 911 |
| cl | 1 | 1,455 |
| my | 1 | 1,355 |
| jm | 1 | 531 |
| ni | 1 | 905 |
| lv | 1 | 389 |
| kh | 1 | 522 |
| pe | 1 | 332 |
| gh | 1 | 2,261 |
| za | 1 | 2,136 |
| sg | 1 | 2,648 |
| gt | 1 | 313 |
| si | 1 | 693 |
| tn | 1 | 279 |
| at | 1 | 1,777 |
| Total | 417 | 446,116 |
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 | 11,433 |
| jp | 15 | 5,893 |
| ng | 4 | 3,380 |
| in | 3 | 1,842 |
| it | 3 | 1,728 |
| de | 3 | 2,306 |
| np | 3 | 1,967 |
| es | 3 | 2,272 |
| ma | 2 | 2,477 |
| cr | 2 | 995 |
| fr | 2 | 2,559 |
| dk | 2 | 445 |
| gb | 2 | 986 |
| id | 2 | 2,139 |
| ph | 2 | 741 |
| eg | 1 | 2,087 |
| pl | 1 | 535 |
| ug | 1 | 1,359 |
| ve | 1 | 299 |
| sz | 1 | 107 |
| sa | 1 | 2,533 |
| il | 1 | 281 |
| uy | 1 | 841 |
| mx | 1 | 922 |
| sv | 1 | 569 |
| br | 1 | 1,833 |
| tw | 1 | 820 |
| se | 1 | 2,000 |
| ec | 1 | 1,428 |
| rw | 1 | 764 |
| nl | 1 | 342 |
| zw | 1 | 200 |
| bg | 1 | 497 |
| tr | 1 | 1,454 |
| Total | 83 | 60,034 |