Mark Rober has about 86.3 million YouTube subscribers, 32.5 million more than Karla Bustillos, as of Nov 13, 2026. At the 30-day pace, Karla Bustillos would not catch up.
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Mark Rober, with about 86.3 million YouTube subscribers to Karla Bustillos's 53.8 million, a gap of 32.5 million as of Nov 13, 2026.
Never at the current pace. Mark Rober is growing faster than Karla Bustillos over the last 30 days, so the gap widens by about 75.3K subscribers a day.
Over the last 30 days, Karla Bustillos gains about 12.8K subscribers a day and Mark Rober gains about 88.1K subscribers a day.
