Mexico

We collected data from 13 news outlets on TikTok, Instagram and YouTube Shorts:
5 Print , 4 Private broadcaster , 3 Digital , 1 Public broadcaster .

Overall, these outlets published 8544 posts.

The median outlet published 9.6 TikToks, 7.2 Instagram reels, and 5 YouTube shorts per day.

Basics

Platforms shares

Platform	Active brands	Posts	% of brands	% of posts
TikTok	12	4470	86	52
Instagram	10	2222	71	26
YouTube Shorts	10	1852	71	22

Published posts

Outlet	Posts	TikTok	Instagram	YouTube Shorts	Content duplication (%)
Aristegui News	51	-	23	28	-
Canal 22	57	28	-	29	-
CNN	312	312	-	-	-
El Economista	787	284	118	385	11
El Financiero	388	160	159	69	14
El Universal	789	133	335	321	11
Imagen News	634	464	-	170	2
Latinus	1950	1228	432	290	17
Milenio News	452	309	143	-	-
Radio Fórmula News	717	369	348	-	5
Reforma	205	155	47	3	5
TV Azteca News	1603	857	328	418	32
UnoTV	599	171	289	139	11
Mexico	8544	4470	2222	1852	15

Outlet analyses

Topics

Hard news

Outlet	Politics	Crime	War/ Disasters	Economy	Social Affairs
Aristegui News	44	19	14	18	14
CNN	31	20	21	19	20
El Economista	56	12	8	58	16
El Financiero	65	19	16	26	19
El Universal	39	53	12	14	15
Imagen News	31	32	9	16	19
Latinus	71	38	21	25	17
Milenio News	19	24	15	10	15
Radio Fórmula News	47	49	8	8	21
Reforma	26	47	17	11	12
TV Azteca News	20	57	20	15	19
UnoTV	25	49	21	16	14
Mexico	48	42	16	24	18
Overall	30	24	19	15	16

General/hybrid news

Outlet	Environment	Infrastructure	Science/ Education	Health/ Fitness	Culture	Sports
Aristegui News	7	6	6	7	6	5
CNN	4	5	5	12	6	4
El Economista	8	7	5	5	4	5
El Financiero	5	7	6	10	5	4
El Universal	6	8	5	6	7	4
Imagen News	4	4	5	10	4	9
Latinus	4	6	5	8	9	7
Milenio News	6	5	5	6	5	4
Radio Fórmula News	4	4	8	6	8	5
Reforma	4	6	5	7	6	4
TV Azteca News	3	5	4	10	5	6
UnoTV	7	6	6	11	7	15
Mexico	5	5	5	8	6	7
Overall	5	7	7	8	7	6

Soft news and promotion

Outlet	Entertainment	Celebrity	Lifestyle	Fashion	Food	Animals	Comedy	Ads
Aristegui News	7	7	6	1	3	3	2	3
CNN	5	5	5	1	3	4	2	3
El Economista	3	3	4	1	4	2	1	2
El Financiero	4	4	5	1	3	4	1	2
El Universal	10	15	4	2	4	3	3	6
Imagen News	6	8	6	2	4	4	1	4
Latinus	9	9	3	1	2	2	1	2
Milenio News	5	5	5	1	3	4	2	3
Radio Fórmula News	8	5	5	2	6	3	3	4
Reforma	6	11	6	1	3	3	2	3
TV Azteca News	2	3	5	1	3	2	1	2
UnoTV	11	10	4	1	3	5	1	5
Mexico	7	7	3	1	3	3	1	3
Overall	12	10	8	1	4	3	5	5

Platformization

Outlet	Video duration (sec)	Vertical videos (%)	Addressing the audience (%)	Calling for interactions (%)
Aristegui News	83	-	-	-
CNN	94	87	4	17
El Economista	85	84	7	26
El Financiero	154	71	4	13
El Universal	82	84	7	17
Imagen News	109	91	4	11
Latinus	123	90	3	14
Milenio News	112	30	4	32
Radio Fórmula News	83	30	4	15
Reforma	77	87	4	17
TV Azteca News	113	94	4	9
UnoTV	57	94	4	74
Mexico	103	85	5	23
Overall	80	76	5	24

Diversity

Outlet	Visible women (%)	Mean age	Age diversity (IQR)	Topic diversity (topics)
Aristegui News	29	36	12	5
CNN	34	32	13	7
El Economista	25	37	19	6
El Financiero	34	37	13	6
El Universal	32	36	16	8
Imagen News	29	36	16	8
Latinus	28	38	15	8
Radio Fórmula News	41	32	14	7
Reforma	32	32	12	4
TV Azteca News	37	35	15	6
UnoTV	36	31	11	7
Mexico	32	36	15	7
Overall	34	34	14	7

Note: Outlet-level results are empirical Bayes estimates from the respective analyses.