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 | 136 | 146,878 |
| es | 33 | 34,558 |
| in | 27 | 49,664 |
| de | 26 | 19,038 |
| it | 23 | 15,291 |
| jp | 19 | 8,646 |
| gb | 16 | 10,910 |
| ca | 15 | 15,938 |
| nl | 13 | 9,344 |
| ng | 12 | 8,136 |
| au | 10 | 16,026 |
| fr | 10 | 8,708 |
| br | 10 | 12,467 |
| ch | 7 | 3,846 |
| id | 7 | 10,530 |
| ph | 6 | 6,558 |
| np | 6 | 4,058 |
| pk | 5 | 13,843 |
| fi | 5 | 2,875 |
| co | 5 | 6,354 |
| mx | 5 | 6,955 |
| rs | 4 | 4,663 |
| za | 3 | 3,734 |
| gr | 3 | 3,647 |
| bd | 3 | 4,490 |
| ro | 3 | 2,549 |
| ve | 3 | 2,329 |
| pe | 3 | 3,126 |
| dk | 3 | 2,131 |
| pl | 3 | 1,590 |
| cr | 3 | 4,878 |
| ar | 2 | 3,045 |
| ni | 2 | 1,317 |
| pt | 2 | 4,578 |
| vn | 2 | 1,826 |
| be | 2 | 1,036 |
| th | 2 | 3,323 |
| cm | 2 | 878 |
| ke | 2 | 3,186 |
| ma | 2 | 2,360 |
| bg | 2 | 953 |
| my | 2 | 1,869 |
| zw | 2 | 942 |
| ec | 2 | 2,612 |
| eg | 2 | 3,821 |
| tw | 2 | 3,386 |
| ug | 2 | 3,135 |
| lt | 1 | 995 |
| lu | 1 | 515 |
| tt | 1 | 668 |
| cl | 1 | 1,306 |
| jm | 1 | 797 |
| lv | 1 | 424 |
| jo | 1 | 135 |
| kh | 1 | 848 |
| lk | 1 | 2,200 |
| gh | 1 | 2,072 |
| sg | 1 | 2,655 |
| gt | 1 | 223 |
| si | 1 | 810 |
| tn | 1 | 452 |
| nz | 1 | 689 |
| at | 1 | 1,921 |
| cz | 1 | 454 |
| mk | 1 | 821 |
| pa | 1 | 830 |
| lc | 1 | 224 |
| mz | 1 | 159 |
| rw | 1 | 710 |
| tz | 1 | 1,211 |
| se | 1 | 2,190 |
| lr | 1 | 428 |
| sy | 1 | 321 |
| bo | 1 | 683 |
| sv | 1 | 586 |
| uy | 1 | 992 |
| hk | 1 | 3,836 |
| ua | 1 | 1,940 |
| il | 1 | 343 |
| lb | 1 | 1,384 |
| sa | 1 | 2,768 |
| sz | 1 | 151 |
| mt | 1 | 647 |
| sk | 1 | 76 |
| tr | 1 | 1,716 |
| ie | 1 | 950 |
| Total | 498 | 522,157 |
New meetup groups that joined the chapter program between Jan 1st, 2018 and Dec 31st, 2018
| Country | # of Groups | # of Members (non-unique) |
| us | 21 | 14,777 |
| jp | 18 | 5,728 |
| ng | 5 | 2,487 |
| it | 5 | 2,228 |
| es | 5 | 2,275 |
| np | 4 | 1,648 |
| gb | 4 | 977 |
| de | 4 | 2,432 |
| in | 3 | 2,051 |
| ma | 2 | 2,360 |
| ph | 2 | 809 |
| id | 2 | 1,613 |
| ve | 2 | 1,950 |
| br | 2 | 2,069 |
| dk | 2 | 496 |
| eg | 2 | 3,821 |
| fr | 2 | 2,805 |
| cr | 2 | 1,016 |
| zw | 1 | 183 |
| bg | 1 | 439 |
| tr | 1 | 1,716 |
| nl | 1 | 416 |
| rw | 1 | 710 |
| tz | 1 | 1,211 |
| ec | 1 | 1,687 |
| se | 1 | 2,190 |
| tw | 1 | 886 |
| mz | 1 | 159 |
| sa | 1 | 2,768 |
| sy | 1 | 321 |
| za | 1 | 194 |
| sv | 1 | 586 |
| mx | 1 | 667 |
| my | 1 | 287 |
| uy | 1 | 992 |
| il | 1 | 343 |
| sz | 1 | 151 |
| sk | 1 | 76 |
| pe | 1 | 610 |
| pa | 1 | 830 |
| ug | 1 | 1,057 |
| pl | 1 | 177 |
| ni | 1 | 378 |
| Total | 112 | 70,576 |