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 | 139,710 |
| in | 27 | 54,316 |
| es | 24 | 33,257 |
| de | 21 | 18,622 |
| it | 18 | 13,960 |
| jp | 16 | 9,067 |
| ca | 13 | 15,957 |
| nl | 12 | 9,568 |
| gb | 11 | 9,918 |
| ng | 11 | 8,756 |
| au | 10 | 16,340 |
| fr | 9 | 8,535 |
| br | 8 | 12,411 |
| id | 7 | 11,401 |
| ch | 7 | 4,034 |
| ph | 6 | 7,348 |
| np | 5 | 4,068 |
| co | 5 | 6,815 |
| fi | 5 | 3,084 |
| mx | 4 | 6,437 |
| pk | 4 | 13,718 |
| rs | 4 | 4,813 |
| cr | 3 | 5,124 |
| pl | 3 | 1,849 |
| dk | 3 | 2,185 |
| gr | 3 | 3,792 |
| bd | 3 | 4,834 |
| ro | 3 | 2,619 |
| ma | 2 | 2,377 |
| ug | 2 | 3,840 |
| ve | 2 | 856 |
| tw | 2 | 3,640 |
| ec | 2 | 2,641 |
| zw | 2 | 993 |
| bg | 2 | 976 |
| th | 2 | 3,626 |
| ar | 2 | 3,246 |
| ke | 2 | 3,543 |
| pt | 2 | 4,840 |
| vn | 2 | 1,859 |
| be | 2 | 1,099 |
| cm | 2 | 957 |
| eg | 1 | 2,330 |
| sz | 1 | 151 |
| sa | 1 | 2,768 |
| il | 1 | 345 |
| uy | 1 | 1,008 |
| sv | 1 | 660 |
| se | 1 | 2,214 |
| rw | 1 | 719 |
| tr | 1 | 1,747 |
| lr | 1 | 443 |
| bo | 1 | 722 |
| ua | 1 | 1,946 |
| mk | 1 | 937 |
| hk | 1 | 3,953 |
| cz | 1 | 500 |
| lt | 1 | 1,063 |
| tt | 1 | 669 |
| cl | 1 | 1,511 |
| my | 1 | 1,671 |
| jm | 1 | 793 |
| ni | 1 | 1,118 |
| lv | 1 | 438 |
| kh | 1 | 877 |
| pe | 1 | 441 |
| gh | 1 | 2,213 |
| za | 1 | 2,469 |
| sg | 1 | 2,874 |
| gt | 1 | 276 |
| si | 1 | 812 |
| tn | 1 | 454 |
| at | 1 | 1,973 |
| Total | 418 | 507,126 |
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 | 12,974 |
| jp | 15 | 5,969 |
| ng | 4 | 2,815 |
| in | 3 | 1,162 |
| it | 3 | 1,967 |
| de | 3 | 2,661 |
| np | 3 | 1,403 |
| es | 3 | 1,975 |
| ma | 2 | 2,377 |
| cr | 2 | 1,164 |
| fr | 2 | 2,847 |
| dk | 2 | 518 |
| gb | 2 | 1,049 |
| id | 2 | 1,952 |
| ph | 2 | 917 |
| eg | 1 | 2,330 |
| pl | 1 | 383 |
| ug | 1 | 1,287 |
| ve | 1 | 467 |
| sz | 1 | 151 |
| sa | 1 | 2,768 |
| il | 1 | 345 |
| uy | 1 | 1,008 |
| mx | 1 | 741 |
| sv | 1 | 660 |
| br | 1 | 1,975 |
| tw | 1 | 941 |
| se | 1 | 2,214 |
| ec | 1 | 1,689 |
| rw | 1 | 719 |
| nl | 1 | 418 |
| zw | 1 | 211 |
| bg | 1 | 462 |
| tr | 1 | 1,747 |
| Total | 83 | 62,266 |