Who is Sarah Jane Roza?

Sarah Jane Roza is an Australian television personality, known from season 5 of Married at First Sight Australia in 2018. Her Instagram account, @sarahjaneroza, is verified and held 340,324 followers when it was measured on 4 September 2026, across 1,713 posts.

What the account is now

Thirty of her disclosed brand posts date from 2026, and forty separate captions naming one retailer and its regional accounts. Whatever the account was built on, what it publishes now is largely affiliate fashion content with discount codes.

The number a brand has to see first

48.3% of the audience passes the Click Analytic credibility screen. 54.9% of the following is classed as mass followers and 37.0% as real accounts. On 340,324 followers, the 51.7% that does not pass the credibility screen is roughly 176,000 accounts.

The audience does not match the person

She is an Australian television figure, and 47.1% of her audience is in Australia. But 14.3% is in Brazil, 6.8% in India, and 17.0% of the whole audience reads Portuguese. That is not what a domestic television following looks like, and it points the same way the follower-type split does.

Engagement against size

The rate is 0.34%, with 1,154 average likes and 51 average comments on an account of 340,324. Average reach is 8,141 views per post, about 2.4% of the following.

Thirty disclosed posts date from 2026, between January and 31 August. That makes this a current record rather than an archive.

It is also unusually concentrated. Forty captions name the retailer SHEIN or one of its regional and category accounts, SHEIN Australia and SHEIN Sports. Two other names appear: the Korean skincare brand Medicube on 27 August 2026, at 1,031 likes on 4,678 views, and Glowmode on 10 January 2026.

The posts follow one format. An outfit set, a question to the audience about which look they prefer, a search term or a discount code, and a disclosure. Several carry a code tied to her own name.

The 21 of them that show a like count average 1,258 likes, slightly above the account's own 1,154. For a brand the useful reading is that the base they are measured against is itself carried by an audience the credibility screen accepts less than half of.

The concentration is itself the finding. An account whose disclosed output in a full year names one retailer forty times is not choosing between brands, and a brand entering that feed is entering a context its audience already reads as commercial.

Nothing on her account suggests exclusivity in either direction, and the two non-retailer names, Medicube and Glowmode, are both from the same categories the retailer posts cover.

Australia, and then Brazil

47.1% of the audience is in Australia, 14.3% in Brazil, 6.8% in India and 5.4% in New Zealand. For an Australian television personality the second and third markets are hard to explain by reach alone, and 17.0% of the audience reading Portuguese points the same way.

Mostly women, mostly working age

70.9% of the following is women. 41.7% is aged 25 to 34 and 30.2% is 18 to 24, with 17.1% aged 35 to 44 and only 4.0% under 18. That is an older profile than most creator accounts and it fits the categories she posts in.

What the composition means

54.9% mass followers, 6.0% suspicious and 2.1% other influencers leaves 37.0% real accounts. A campaign priced against 340,324 followers is priced against a number the follower-type model puts at roughly a third real accounts, and the engagement figures are consistent with that reading rather than with the headline.

Declared interests

Friends and family 48.1%, restaurants and food 37.7%, toys and baby products 37.1%, travel 33.5% and clothing 32.5%. English is 65.2% of the audience and Portuguese 17.0%.

None of this makes the account unusable. It makes it mis-sized. A brief written against 340,324 followers is written against a number the follower-type model classes as about a third real, and the honest comparison is against creators with roughly 126,000 real followers rather than against her headline.