area,id,label,value,applies_to,note
"Groups, communities & broadcasts",group-size,Members in a group,"1,024 members",all,"The official group size limit in 2026, admins included — up from 512 in 2022 and 256 before that. It is the same on Android, iPhone and WhatsApp Web."
"Groups, communities & broadcasts",community-groups,Groups in a community,100 groups,all,Plus the automatic announcement group that reaches every member.
"Groups, communities & broadcasts",community-members,Members in a community,"2,000 members",all,Counted across all of the community’s groups combined.
"Groups, communities & broadcasts",broadcast-list,Recipients in a broadcast list,256 recipients,all,Only contacts who have your number saved will receive a broadcast.
Messages & media,message-length,Characters in one message,"65,536 characters",all,Far more than anyone types by hand — you will hit a paste limit long before normal use.
Messages & media,caption-length,Characters in a media caption,"1,024 characters",all,The text attached under a photo or video.
Messages & media,media-size,Photo / video / voice sent as media,16 MB,all,WhatsApp compresses these so they load inline. Send as a document to avoid compression.
Messages & media,file-size,Any file sent as a document,2 GB,all,"Up from 100 MB. Documents are not compressed, so quality is preserved."
Messages & media,voice-message,Length of a voice message,No published limit,all,"WhatsApp sets no time cap on a voice note in a chat — in practice the 16 MB media limit ends the recording, which is roughly an hour of audio."
Messages & media,poll-options,Options in a poll,12 options,all,Voters can pick one or several depending on how you set the poll up.
Messages & media,edit-window,Time you have to edit a sent message,15 minutes,all,After that the Edit option disappears. Edited messages are marked “Edited” for everyone.
Messages & media,delete-everyone,Time you have to delete for everyone,2 days 12 hours,all,60 hours from sending. Past that you can only delete a message for yourself.
Messages & media,pinned-messages,Pinned messages in one chat,3 messages,all,"Each pin lasts 24 hours, 7 days or 30 days unless you unpin it sooner."
Status & forwarding,status-duration,How long a Status stays up,24 hours,all,"Photo, video and text updates disappear automatically after a day."
Status & forwarding,status-video,Length of a Status video clip,30 seconds,all,Longer videos are split into several 30-second segments.
Status & forwarding,status-voice,Length of a voice status,60 seconds,all,"Voice updates posted to Status, raised from the original 30 seconds."
Status & forwarding,forward-chats,Chats you can forward to at once,5 chats,all,A single forward action can target up to five chats or groups.
Status & forwarding,forward-many-times,Forwarding a “forwarded many times” message,1 chat,all,Highly-forwarded messages can only be passed on to one chat at a time.
Calls,video-call,People in a group video call,32 participants,all,"Includes you. Raised from 8 in 2021 and 4 before that, so older articles quote much smaller numbers."
Calls,voice-call,People in a group voice call,32 participants,all,"The same cap as video. Very old app builds allowed fewer, so keep the app updated."
Channels,channel-followers,Followers of a channel,No limit,all,"The one WhatsApp surface with no audience cap — but you cannot add people, they have to follow you."
Channels,channel-admins,Admins of a channel,16 admins,all,"Raised from a single admin, so a team can post to one channel."
Channels,channel-history,How long channel updates are kept,30 days,all,WhatsApp stores channel history on its servers for 30 days; older updates disappear for new followers.
Account & profile,linked-devices,Linked (companion) devices,4 devices,all,Up to four linked devices in addition to your primary phone.
Account & profile,pinned-chats,Chats pinned to the top of the list,3 chats,all,Separate from pinned messages inside a chat.
Account & profile,phone-digits,Digits in a WhatsApp phone number,15 digits,all,"Country code included, no “+” or spaces. WhatsApp uses the international E.164 format, which the ITU caps at 15 digits."
Account & profile,about-length,Characters in your “About” text,139 characters,all,"The short status line on your profile, not to be confused with Status updates."
Account & profile,group-name,Characters in a group name,100 characters,all,The group subject shown at the top of the chat.
Account & profile,group-description,Characters in a group description,512 characters,all,The longer text shown in the group’s info screen.
WhatsApp Business app,business-labels,Labels for organizing chats,20 labels,business,Colour-coded labels to sort customers and orders.
WhatsApp Business app,business-quick-replies,Saved quick replies,50 quick replies,business,Shortcuts for messages you send often.
WhatsApp Business app,business-catalog,Products in a catalogue,500 items,business,"One catalogue per account, up to 10 images per product."
WhatsApp Business API,api-messaging-limit,Customers you can message in 24 hours,250 → unlimited,api,"Unique users you can start a conversation with in a rolling 24 hours. New accounts start at 250 and scale through 2,000, 10,000 and 100,000 as quality holds up."
WhatsApp Business API,api-throughput,Messages per second per number,80 per second,api,Default Cloud API throughput; higher capacity can be requested. Separate from the 24-hour limit above.