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 | 140,063 |
| in | 27 | 54,725 |
| es | 24 | 33,365 |
| de | 21 | 18,723 |
| it | 18 | 14,021 |
| jp | 16 | 9,116 |
| ca | 13 | 16,023 |
| nl | 12 | 9,645 |
| gb | 11 | 9,980 |
| ng | 11 | 8,817 |
| au | 10 | 16,394 |
| fr | 9 | 8,560 |
| br | 8 | 12,537 |
| id | 7 | 11,532 |
| ch | 7 | 4,043 |
| ph | 6 | 7,411 |
| np | 5 | 4,085 |
| co | 5 | 6,826 |
| fi | 5 | 3,097 |
| mx | 4 | 6,513 |
| pk | 4 | 13,813 |
| rs | 4 | 4,834 |
| cr | 3 | 5,127 |
| pl | 3 | 1,880 |
| dk | 3 | 2,189 |
| gr | 3 | 3,797 |
| bd | 3 | 4,852 |
| ro | 3 | 2,626 |
| ma | 2 | 2,398 |
| ug | 2 | 3,892 |
| ve | 2 | 856 |
| tw | 2 | 3,654 |
| ec | 2 | 2,644 |
| zw | 2 | 993 |
| bg | 2 | 984 |
| th | 2 | 3,647 |
| ar | 2 | 3,258 |
| ke | 2 | 3,578 |
| pt | 2 | 4,872 |
| vn | 2 | 1,860 |
| be | 2 | 1,101 |
| cm | 2 | 967 |
| eg | 1 | 2,329 |
| sz | 1 | 151 |
| sa | 1 | 2,769 |
| il | 1 | 344 |
| uy | 1 | 1,008 |
| sv | 1 | 662 |
| se | 1 | 2,216 |
| rw | 1 | 729 |
| tr | 1 | 1,747 |
| lr | 1 | 443 |
| bo | 1 | 728 |
| ua | 1 | 1,947 |
| mk | 1 | 968 |
| hk | 1 | 3,967 |
| cz | 1 | 502 |
| lt | 1 | 1,063 |
| tt | 1 | 668 |
| cl | 1 | 1,517 |
| my | 1 | 1,670 |
| jm | 1 | 794 |
| ni | 1 | 1,124 |
| lv | 1 | 438 |
| kh | 1 | 878 |
| pe | 1 | 440 |
| gh | 1 | 2,212 |
| za | 1 | 2,471 |
| sg | 1 | 2,901 |
| gt | 1 | 276 |
| si | 1 | 822 |
| tn | 1 | 455 |
| at | 1 | 1,974 |
| Total | 418 | 509,511 |
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 | 12,988 |
| jp | 15 | 6,015 |
| ng | 4 | 2,862 |
| in | 3 | 1,174 |
| it | 3 | 1,974 |
| de | 3 | 2,699 |
| np | 3 | 1,416 |
| es | 3 | 1,977 |
| ma | 2 | 2,398 |
| cr | 2 | 1,166 |
| fr | 2 | 2,851 |
| dk | 2 | 523 |
| gb | 2 | 1,054 |
| id | 2 | 1,992 |
| ph | 2 | 923 |
| eg | 1 | 2,329 |
| pl | 1 | 405 |
| ug | 1 | 1,301 |
| ve | 1 | 467 |
| sz | 1 | 151 |
| sa | 1 | 2,769 |
| il | 1 | 344 |
| uy | 1 | 1,008 |
| mx | 1 | 763 |
| sv | 1 | 662 |
| br | 1 | 1,999 |
| tw | 1 | 945 |
| se | 1 | 2,216 |
| ec | 1 | 1,693 |
| rw | 1 | 729 |
| nl | 1 | 418 |
| zw | 1 | 211 |
| bg | 1 | 467 |
| tr | 1 | 1,747 |
| Total | 83 | 62,636 |