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Google +1 Button is leading in Top 1M Sites and The Entire Web.
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LiveInternet is leading in Top 10K Sites and Top 100K Sites.
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Google +1 Button has better usage coverage in more websites categories. Including Computers Electronics & Technology, Travel & Tourism, Food & Drink, Games and 8 other categories.
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LiveInternet is leading in Arts & Entertainment, Science & Education, Vehicles, Heavy Industry & Engineering and 8 other categories.
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Google +1 Button is leading in most countries, including United States, Japan, France, Italy and 150 other countries.
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LiveInternet is leading in Russia, Ukraine, Belarus, Kazakhstan and 8 other countries.