Research: US riders who used both Uber and Lyft in Q4 2018 accounted for ~1/3 of the companies' ride-sharing revenue; 15% of revenue was from Lyft-only riders
Context & Ripple Effects
Lyft's rise has been the story of the past two years: it more than doubled Q4 ridership year-over-year to 52.6M, crossed $1B in annual revenue with quarters growing at triple-digit rates per its own fiscal '17 results, and by mid-2018 claimed 35% national market share, up from 20% eighteen months earlier. What was never clear from those company-supplied numbers is where the incremental riders came from.
This Recode analysis answers that: most of Lyft's new business is not riders Uber never touched — about a third of combined ride-sharing revenue comes from people who use both apps, and only 15% is Lyft-exclusive. The two companies are largely bidding for the same customers, which reframes Lyft's share gains as wallet-share shifts rather than market expansion.
First-order effects
- Uber and Lyft's pricing and promotion decisions now directly cannibalize each other: with dual-app riders generating roughly a third of revenue, discounts on one app pull spend from the other rather than from taxis or car ownership.
Second-order effects
- Lyft's claimed climb to 35% share — built on riders who also carry the Uber app — pressures Uber to defend share through subsidies and driver incentives, squeezing unit economics for both as each tries to be the default tap.
Third-order effects
- If rider loyalty stays this shallow, ride-sharing consolidates into a commodity duopoly where switching costs near zero cap pricing power — pushing both companies toward differentiation through subscriptions, loyalty programs, or adjacent services rather than ride price alone.
The trend: US ride-sharing is maturing into a two-player market where growth comes from converting a shared, multi-homing rider base rather than expanding the pool of riders.