According to NBC News Survey Monkey Weekly Election Tracking Poll, Clinton, 68, has support of 50 per cent of registered voters while Trump, 70, is supported by 41 per cent.
The numbers were virtually unchanged since last week's poll. In the RealClearPolitics poll of average, Clinton is leading Trump by 6.7 per cent.
According to NBC News in the last two months, Clinton campaign has spent USD 104 million in total television ads in key battleground States.
The Trump Campaign on the other hand, hasn't spent a single cent on a general-election ad, it said.
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