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| Obama v Romney: US election poll tracker | |
| (2 days later) | |
| With the clock ticking towards November's US presidential election, the race to the White House is a close call with the two candidates neck-and-neck. Use our polltracker to follow the changing support for Democratic incumbent Barack Obama and his Republican rival Mitt Romney. | With the clock ticking towards November's US presidential election, the race to the White House is a close call with the two candidates neck-and-neck. Use our polltracker to follow the changing support for Democratic incumbent Barack Obama and his Republican rival Mitt Romney. |
| The BBC poll of polls uses the same methodology as the London School of Economics, known as the median smoothing method. | The BBC poll of polls uses the same methodology as the London School of Economics, known as the median smoothing method. |
| Looking at the five most recent polls it takes the middle value for each candidate, ie, the value which falls between two figures that are higher and two figures that are lower. | Looking at the five most recent polls it takes the middle value for each candidate, ie, the value which falls between two figures that are higher and two figures that are lower. |
| The data was collated by polling resource website Real Clear Politics. RV indicates those polled were registered voters. LV indicates a sample of likely voters. | The data was collated by polling resource website Real Clear Politics. RV indicates those polled were registered voters. LV indicates a sample of likely voters. |