U.S. media is abuzz this week with coverage of the first 100 days in office for the Trump administration.

The 100-day milestone that is commonly used nowadays to assess the progress of new American presidents is an arbitrary marker of time, but an important one. While blazing the campaign trail last year President Donald Trump routinely shouted about all the radical changes he would implement once in office. With few successes to show so far the president is in full spin mode and attempting to readjust the expectations of Americans by saying the best is yet to come.

One measure of whether or not a new president is enjoying success early on their term is public opinion. The latest opinion polls in the U.S. find that President Trump is one of the least popular new presidents in the modern era with just a 39% approval rating. Vice President Mike Pence is even more disliked with just 38% of Americans saying they approve of him. Former President Obama by comparison enjoyed an over 60% approval rating upon his 100th day in the White House.

 A major factor contributing to low approval ratings for Trump is the prevalence of scandal. The administration continues to be dogged by ongoing investigations into collaboration between Russia and former or present members of the administration. Also, the repeated nominations of billionaires and individuals with clear conflicts of interest to key federal positions are not winning the president many new supporters.

A lack of legislative accomplishments and excessive reliance on executive orders are other reasons for low approval ratings of President Trump after 100 days. The administration has so far failed in its attempt to repeal Obamacare, implement a harsh anti-immigration policy and fund the border wall with Mexico. Incredibly, the president’s lack of accomplishments to date has come with the advantage of a Republican-controlled Congress. Facing a lack of congressional support for major legislation Trump has primarily sought change via executive order, which merely requires a presidential signature. Trump is on-track to set a record for most executive orders by a president in their first 100 days since World War II.

Also contributing to a lack of success for the Trump administration so far is a staffing crisis. Unfulfilled are almost 90% of the 553 top positions in the executive branch of the U.S. government after 100 days. Those vacant posts are for appointed bureaucrats who could help Trump to craft legislation and policy that could turn his radical plans into reality.

To be fair, key stock market indices in the U.S. have hit all-time highs under the Trump administration on hopes that corporate regulation will be further loosened. A tax cut plan recently unveiled might boost the U.S. economy by putting more money in the pockets of people and spurring spending and investment. President Trump’s successful appointment of conservative Supreme Court Justice Neil Gorsuch was another victory in his first months in office. Gorsuch is likely to serve at America’s top court for decades and issue socially conservative rulings.

There remains much time left for the most powerful man in the world (arguably) to rack up victories or deliver more disappointment. Based on what America and the world have witnessed during 100 days in office some commentators in U.S. media speculate that President Trump could be impeached before the end of his term. We would have to turn back the hands on the clock then and start the 100- day countdown all over again for someone else.