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Crime fiction is one of the most widely read genres in the world, and it has been feeding the screen for a very long time. Agatha Christie's Poirot and Miss Marple have been on television since the 1980s. Stieg Larsson's Girl with the Dragon Tattoo, Henning Mankell's Wallander, and the Danish series The Killing triggered a global obsession with Scandinavian crime fiction that reshaped what international television looked like. Lee Child has sold over 100 million Reacher novels. Harlan Coben signed a deal with Netflix covering 14 of his books, and the adaptations keep coming.

The publishing pipeline into streaming has been running for decades. What eight years of streaming data now shows is how that pipeline is performing. The answer is consistently, at scale, and in markets that publishers and producers have long understood.

Digital i tracked 195 crime drama series adapted from novels across Netflix, Amazon Prime Video, HBO Max and Disney+, across 18 markets, from January 2018 to March 2026. Here is what the data shows.

1. 168 million accounts. 38 billion streams. 8x growth since 2018.

Across eight years, crime drama adaptations reached 168 million accounts worldwide, generated 38 billion streams, and accumulated 27.7 billion hours of viewing. Average monthly hours viewed has grown 8x since 2018.

That growth figure is the one worth sitting with. This is not a genre that peaked and plateaued. It has been building, consistently, across a period that saw streaming itself transform from a novelty into the dominant mode of television consumption globally. Crime drama adaptations grew with it, and then some.

2. Three in four viewers finished You Season 3. None of them got away.

Reach figures tell you how many people showed up. Completion rates tell you whether they stayed. For crime drama adaptations, the completion story is as strong as the reach story.

74.6% of viewers who started You Season 3 watched it to the end. That is the highest completion rate of any adaptation season in the dataset. You Season 5 was not far behind at 71.8%. Liebes Kind Season 1, the German Netflix production based on Romy Hausmann's novel, completed at 67.9%. The Sinner Season 2 at 67.1%. Fool Me Once Season 1, from Harlan Coben's novel, at 64.6%.

These are not numbers that describe audiences dipping in and moving on. They describe audiences that start a crime drama adaptation and see it through. Something about the genre holds attention in a way that goes beyond the first episode. Once you are in, you tend to stay in. Our analysis of how crime drama audiences differ by age and viewing depth explores why the genre holds attention the way it does

3. When You Season 3 launched, 30 million accounts went back to Season 1

One of the most commercially significant findings in eight years of data is what happens to the back catalogue when a new season of a crime drama adaptation launches.

When You Season 3 arrived on Netflix in October 2021, 30 million accounts went back and watched Season 1, nearly three years after it first aired. In that same month, 18 million accounts watched Season 2 of You, despite no new episodes of its own. You ran for five seasons over eight years, and each new season launch pulled the earlier ones back into circulation.

This is compounding value. A new season does not just serve existing fans. It creates a reason for new audiences to start from the beginning, which means every piece of the catalogue becomes active again every time something new arrives. For anyone thinking about the long-term value of a crime drama IP, this is the pattern that matters most. We looked at how new seasons drive catalogue viewing for established drama franchises in more detail here.

4. Germany watches 1.6x more crime drama adaptations than the US

Crime drama adaptations do not perform uniformly across markets, and understanding where they over-index is as important as understanding the global scale.

Germany gives crime drama adaptations 1.45% of its total streaming viewing time, the highest of any market in the dataset, and 1.6x the US level. Poland follows at 1.41%, the Netherlands at 1.38%, the UK at 1.33%. The US sits at 0.91%. Japan at 0.36%. South Korea at 0.17%.

The genre travels through Europe and the Americas. It does not travel equally across Asia. For anyone making licensing, distribution, or commissioning decisions about a crime drama adaptation, the European market data is the signal worth paying attention to.

5. This is four findings out of ten. Here is what they tell you about the value of your next project.

The four findings in this blog tell you the category is big, audiences finish what they start, new seasons unlock the back catalogue, and Europe is the market that over-indexes. What they do not tell you is what a crime drama adaptation in development could actually be worth to a platform before a single frame is shot.

Digital i uses eight years of genre-level viewing data to estimate the commercial value of content in development. If you are considering a crime drama adaptation and want to understand its potential platform value before it goes into production, get in touch to see how we approach content valuation. Request a content valuation estimate for your crime drama adaptation in development.

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Source: Digital i. Active Netflix, Prime Video, HBO Max and Disney+ accounts. 18 markets. 01/01/2018 – 31/03/2026. 195 crime drama series adapted from novels. Light-viewer and dedication measures cover calendar year 2025.